# CVE-2020-26144: Windows Wireless Networking Spoofing Vulnerability

CVE-2020-26144 is fixed in 77 products on 2 platforms, first by KB5003197, released May 11, 2021. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2020-26144
- Priority: Routine
- CVSS: 6.5 (Important)
- EPSS: 0.0491
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Less Likely
- Published: May 11, 2021
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-26144

## Description

kernel: accepting unencrypted A-MSDU frames that start with RFC1042 header

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Windows 10 Version 1607 for 32-bit Systems | 14393.4402 | [KB5003197](https://patchblox.com/security/data/fix/microsoft/kb5003197.md) | May 11, 2021 |
| Microsoft | Windows 10 Version 1607 for x64-based Systems | 14393.4402 | [KB5003197](https://patchblox.com/security/data/fix/microsoft/kb5003197.md) | May 11, 2021 |
| Microsoft | Windows 10 Version 1803 for 32-bit Systems | 17134.2208 | [KB5003174](https://patchblox.com/security/data/fix/microsoft/kb5003174.md) | May 11, 2021 |
| Microsoft | Windows 10 Version 1803 for ARM64-based Systems | 17134.2208 | [KB5003174](https://patchblox.com/security/data/fix/microsoft/kb5003174.md) | May 11, 2021 |
| Microsoft | Windows 10 Version 1803 for x64-based Systems | 17134.2208 | [KB5003174](https://patchblox.com/security/data/fix/microsoft/kb5003174.md) | May 11, 2021 |
| Microsoft | Windows 10 Version 1809 for 32-bit Systems | 17763.1935 | [KB5003171](https://patchblox.com/security/data/fix/microsoft/kb5003171.md) | May 11, 2021 |
| Microsoft | Windows 10 Version 1809 for ARM64-based Systems | 17763.1935 | [KB5003171](https://patchblox.com/security/data/fix/microsoft/kb5003171.md) | May 11, 2021 |
| Microsoft | Windows 10 Version 1809 for x64-based Systems | 17763.1935 | [KB5003171](https://patchblox.com/security/data/fix/microsoft/kb5003171.md) | May 11, 2021 |
| Microsoft | Windows 10 Version 1909 for 32-bit Systems | 18363.1556 | [KB5003169](https://patchblox.com/security/data/fix/microsoft/kb5003169.md) | May 11, 2021 |
| Microsoft | Windows 10 Version 1909 for ARM64-based Systems | 18363.1556 | [KB5003169](https://patchblox.com/security/data/fix/microsoft/kb5003169.md) | May 11, 2021 |
| Microsoft | Windows 10 Version 1909 for x64-based Systems | 18363.1556 | [KB5003169](https://patchblox.com/security/data/fix/microsoft/kb5003169.md) | May 11, 2021 |
| Microsoft | Windows 10 Version 2004 for 32-bit Systems |  | [KB5003173](https://patchblox.com/security/data/fix/microsoft/kb5003173.md) | May 11, 2021 |
| Microsoft | Windows 10 Version 2004 for ARM64-based Systems |  | [KB5003173](https://patchblox.com/security/data/fix/microsoft/kb5003173.md) | May 11, 2021 |
| Microsoft | Windows 10 Version 2004 for x64-based Systems |  | [KB5003173](https://patchblox.com/security/data/fix/microsoft/kb5003173.md) | May 11, 2021 |
| Microsoft | Windows 10 Version 20H2 for 32-bit Systems |  | [KB5003173](https://patchblox.com/security/data/fix/microsoft/kb5003173.md) | May 11, 2021 |
| Microsoft | Windows 10 Version 20H2 for ARM64-based Systems |  | [KB5003173](https://patchblox.com/security/data/fix/microsoft/kb5003173.md) | May 11, 2021 |
| Microsoft | Windows 10 for 32-bit Systems | 10240.18932 | [KB5003172](https://patchblox.com/security/data/fix/microsoft/kb5003172.md) | May 11, 2021 |
| Microsoft | Windows 10 for x64-based Systems | 10240.18932 | [KB5003172](https://patchblox.com/security/data/fix/microsoft/kb5003172.md) | May 11, 2021 |
| Microsoft | Windows 7 for 32-bit Systems Service Pack 1 |  | [KB5003233](https://patchblox.com/security/data/fix/microsoft/kb5003233.md) | May 11, 2021 |
| Microsoft | Windows 7 for 32-bit Systems Service Pack 1 |  | [KB5003228](https://patchblox.com/security/data/fix/microsoft/kb5003228.md) | May 11, 2021 |
| Microsoft | Windows 7 for x64-based Systems Service Pack 1 |  | [KB5003233](https://patchblox.com/security/data/fix/microsoft/kb5003233.md) | May 11, 2021 |
| Microsoft | Windows 7 for x64-based Systems Service Pack 1 |  | [KB5003228](https://patchblox.com/security/data/fix/microsoft/kb5003228.md) | May 11, 2021 |
| Microsoft | Windows 8.1 for 32-bit systems |  | [KB5003209](https://patchblox.com/security/data/fix/microsoft/kb5003209.md) | May 11, 2021 |
| Microsoft | Windows 8.1 for 32-bit systems |  | [KB5003220](https://patchblox.com/security/data/fix/microsoft/kb5003220.md) | May 11, 2021 |
| Microsoft | Windows 8.1 for x64-based systems |  | [KB5003209](https://patchblox.com/security/data/fix/microsoft/kb5003209.md) | May 11, 2021 |
| Microsoft | Windows 8.1 for x64-based systems |  | [KB5003220](https://patchblox.com/security/data/fix/microsoft/kb5003220.md) | May 11, 2021 |
| Microsoft | Windows RT 8.1 |  | [KB5003209](https://patchblox.com/security/data/fix/microsoft/kb5003209.md) | May 11, 2021 |
| Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 |  | [KB5003233](https://patchblox.com/security/data/fix/microsoft/kb5003233.md) | May 11, 2021 |
| Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 |  | [KB5003228](https://patchblox.com/security/data/fix/microsoft/kb5003228.md) | May 11, 2021 |
| Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) |  | [KB5003233](https://patchblox.com/security/data/fix/microsoft/kb5003233.md) | May 11, 2021 |
| Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) |  | [KB5003228](https://patchblox.com/security/data/fix/microsoft/kb5003228.md) | May 11, 2021 |
| Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 |  | [KB5003210](https://patchblox.com/security/data/fix/microsoft/kb5003210.md) | May 11, 2021 |
| Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 |  | [KB5003225](https://patchblox.com/security/data/fix/microsoft/kb5003225.md) | May 11, 2021 |
| Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) |  | [KB5003210](https://patchblox.com/security/data/fix/microsoft/kb5003210.md) | May 11, 2021 |
| Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) |  | [KB5003225](https://patchblox.com/security/data/fix/microsoft/kb5003225.md) | May 11, 2021 |
| Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 |  | [KB5003210](https://patchblox.com/security/data/fix/microsoft/kb5003210.md) | May 11, 2021 |
| Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 |  | [KB5003225](https://patchblox.com/security/data/fix/microsoft/kb5003225.md) | May 11, 2021 |
| Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) |  | [KB5003210](https://patchblox.com/security/data/fix/microsoft/kb5003210.md) | May 11, 2021 |
| Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) |  | [KB5003225](https://patchblox.com/security/data/fix/microsoft/kb5003225.md) | May 11, 2021 |
| Microsoft | Windows Server 2012 |  | [KB5003203](https://patchblox.com/security/data/fix/microsoft/kb5003203.md) | May 11, 2021 |
| Microsoft | Windows Server 2012 |  | [KB5003208](https://patchblox.com/security/data/fix/microsoft/kb5003208.md) | May 11, 2021 |
| Microsoft | Windows Server 2012 (Server Core installation) |  | [KB5003203](https://patchblox.com/security/data/fix/microsoft/kb5003203.md) | May 11, 2021 |
| Microsoft | Windows Server 2012 (Server Core installation) |  | [KB5003208](https://patchblox.com/security/data/fix/microsoft/kb5003208.md) | May 11, 2021 |
| Microsoft | Windows Server 2012 R2 |  | [KB5003209](https://patchblox.com/security/data/fix/microsoft/kb5003209.md) | May 11, 2021 |
| Microsoft | Windows Server 2012 R2 |  | [KB5003220](https://patchblox.com/security/data/fix/microsoft/kb5003220.md) | May 11, 2021 |
| Microsoft | Windows Server 2012 R2 (Server Core installation) |  | [KB5003209](https://patchblox.com/security/data/fix/microsoft/kb5003209.md) | May 11, 2021 |
| Microsoft | Windows Server 2012 R2 (Server Core installation) |  | [KB5003220](https://patchblox.com/security/data/fix/microsoft/kb5003220.md) | May 11, 2021 |
| Microsoft | Windows Server 2016 | 14393.4402 | [KB5003197](https://patchblox.com/security/data/fix/microsoft/kb5003197.md) | May 11, 2021 |
| Microsoft | Windows Server 2016 (Server Core installation) | 14393.4402 | [KB5003197](https://patchblox.com/security/data/fix/microsoft/kb5003197.md) | May 11, 2021 |
| Microsoft | Windows Server 2019 | 17763.1935 | [KB5003171](https://patchblox.com/security/data/fix/microsoft/kb5003171.md) | May 11, 2021 |
| Microsoft | Windows Server 2019 (Server Core installation) | 17763.1935 | [KB5003171](https://patchblox.com/security/data/fix/microsoft/kb5003171.md) | May 11, 2021 |
| Microsoft | Windows Server, version 1909 (Server Core installation) | 18363.1556 | [KB5003169](https://patchblox.com/security/data/fix/microsoft/kb5003169.md) | May 11, 2021 |
| Microsoft | Windows Server, version 2004 (Server Core installation) |  | [KB5003173](https://patchblox.com/security/data/fix/microsoft/kb5003173.md) | May 11, 2021 |
| Microsoft | Windows Server, version 20H2 (Server Core Installation) |  | [KB5003173](https://patchblox.com/security/data/fix/microsoft/kb5003173.md) | May 11, 2021 |
| Linux | bpftool RHEL 8 | 0:4.18.0-348.el8 | [RHSA-2021:4356](https://patchblox.com/security/data/fix/linux/rhsa-2021-4356.md) | Nov 9, 2021 |
| Linux | bpftool ol 8 | 0:4.18.0-348.el8 | [ELSA-2021-4356](https://patchblox.com/security/data/fix/linux/elsa-2021-4356.md) | Nov 16, 2021 |
| Linux | kernel RHEL 8 | 0:4.18.0-348.el8 | [RHSA-2021:4356](https://patchblox.com/security/data/fix/linux/rhsa-2021-4356.md) | Nov 9, 2021 |
| Linux | kernel ol 8 | 0:4.18.0-348.el8 | [ELSA-2021-4356](https://patchblox.com/security/data/fix/linux/elsa-2021-4356.md) | Nov 16, 2021 |
| Linux | kernel-abi-stablelists RHEL 8 | 0:4.18.0-348.el8 | [RHSA-2021:4356](https://patchblox.com/security/data/fix/linux/rhsa-2021-4356.md) | Nov 9, 2021 |
| Linux | kernel-abi-stablelists ol 8 | 0:4.18.0-348.el8 | [ELSA-2021-4356](https://patchblox.com/security/data/fix/linux/elsa-2021-4356.md) | Nov 16, 2021 |
| Linux | kernel-core RHEL 8 | 0:4.18.0-348.el8 | [RHSA-2021:4356](https://patchblox.com/security/data/fix/linux/rhsa-2021-4356.md) | Nov 9, 2021 |
| Linux | kernel-core ol 8 | 0:4.18.0-348.el8 | [ELSA-2021-4356](https://patchblox.com/security/data/fix/linux/elsa-2021-4356.md) | Nov 16, 2021 |
| Linux | kernel-cross-headers ol 8 | 0:4.18.0-348.el8 | [ELSA-2021-4356](https://patchblox.com/security/data/fix/linux/elsa-2021-4356.md) | Nov 16, 2021 |
| Linux | kernel-debug RHEL 8 | 0:4.18.0-348.el8 | [RHSA-2021:4356](https://patchblox.com/security/data/fix/linux/rhsa-2021-4356.md) | Nov 9, 2021 |
| Linux | kernel-debug ol 8 | 0:4.18.0-348.el8 | [ELSA-2021-4356](https://patchblox.com/security/data/fix/linux/elsa-2021-4356.md) | Nov 16, 2021 |
| Linux | kernel-debug-core RHEL 8 | 0:4.18.0-348.el8 | [RHSA-2021:4356](https://patchblox.com/security/data/fix/linux/rhsa-2021-4356.md) | Nov 9, 2021 |
| Linux | kernel-debug-core ol 8 | 0:4.18.0-348.el8 | [ELSA-2021-4356](https://patchblox.com/security/data/fix/linux/elsa-2021-4356.md) | Nov 16, 2021 |
| Linux | kernel-debug-devel RHEL 8 | 0:4.18.0-348.el8 | [RHSA-2021:4356](https://patchblox.com/security/data/fix/linux/rhsa-2021-4356.md) | Nov 9, 2021 |
| Linux | kernel-debug-devel ol 8 | 0:4.18.0-348.el8 | [ELSA-2021-4356](https://patchblox.com/security/data/fix/linux/elsa-2021-4356.md) | Nov 16, 2021 |
| Linux | kernel-debug-modules RHEL 8 | 0:4.18.0-348.el8 | [RHSA-2021:4356](https://patchblox.com/security/data/fix/linux/rhsa-2021-4356.md) | Nov 9, 2021 |
| Linux | kernel-debug-modules ol 8 | 0:4.18.0-348.el8 | [ELSA-2021-4356](https://patchblox.com/security/data/fix/linux/elsa-2021-4356.md) | Nov 16, 2021 |
| Linux | kernel-debug-modules-extra RHEL 8 | 0:4.18.0-348.el8 | [RHSA-2021:4356](https://patchblox.com/security/data/fix/linux/rhsa-2021-4356.md) | Nov 9, 2021 |
| Linux | kernel-debug-modules-extra ol 8 | 0:4.18.0-348.el8 | [ELSA-2021-4356](https://patchblox.com/security/data/fix/linux/elsa-2021-4356.md) | Nov 16, 2021 |
| Linux | kernel-devel RHEL 8 | 0:4.18.0-348.el8 | [RHSA-2021:4356](https://patchblox.com/security/data/fix/linux/rhsa-2021-4356.md) | Nov 9, 2021 |
| Linux | kernel-devel ol 8 | 0:4.18.0-348.el8 | [ELSA-2021-4356](https://patchblox.com/security/data/fix/linux/elsa-2021-4356.md) | Nov 16, 2021 |
| Linux | kernel-doc RHEL 8 | 0:4.18.0-348.el8 | [RHSA-2021:4356](https://patchblox.com/security/data/fix/linux/rhsa-2021-4356.md) | Nov 9, 2021 |
| Linux | kernel-doc ol 8 | 0:4.18.0-348.el8 | [ELSA-2021-4356](https://patchblox.com/security/data/fix/linux/elsa-2021-4356.md) | Nov 16, 2021 |
| Linux | kernel-headers ol 8 | 0:4.18.0-348.el8 | [ELSA-2021-4356](https://patchblox.com/security/data/fix/linux/elsa-2021-4356.md) | Nov 16, 2021 |
| Linux | kernel-modules RHEL 8 | 0:4.18.0-348.el8 | [RHSA-2021:4356](https://patchblox.com/security/data/fix/linux/rhsa-2021-4356.md) | Nov 9, 2021 |
| Linux | kernel-modules ol 8 | 0:4.18.0-348.el8 | [ELSA-2021-4356](https://patchblox.com/security/data/fix/linux/elsa-2021-4356.md) | Nov 16, 2021 |
| Linux | kernel-modules-extra RHEL 8 | 0:4.18.0-348.el8 | [RHSA-2021:4356](https://patchblox.com/security/data/fix/linux/rhsa-2021-4356.md) | Nov 9, 2021 |
| Linux | kernel-modules-extra ol 8 | 0:4.18.0-348.el8 | [ELSA-2021-4356](https://patchblox.com/security/data/fix/linux/elsa-2021-4356.md) | Nov 16, 2021 |
| Linux | kernel-rt RHEL 8 | 0:4.18.0-348.rt7.130.el8 | [RHSA-2021:4140](https://patchblox.com/security/data/fix/linux/rhsa-2021-4140.md) | Nov 9, 2021 |
| Linux | kernel-rt-core RHEL 8 | 0:4.18.0-348.rt7.130.el8 | [RHSA-2021:4140](https://patchblox.com/security/data/fix/linux/rhsa-2021-4140.md) | Nov 9, 2021 |
| Linux | kernel-rt-debug RHEL 8 | 0:4.18.0-348.rt7.130.el8 | [RHSA-2021:4140](https://patchblox.com/security/data/fix/linux/rhsa-2021-4140.md) | Nov 9, 2021 |
| Linux | kernel-rt-debug-core RHEL 8 | 0:4.18.0-348.rt7.130.el8 | [RHSA-2021:4140](https://patchblox.com/security/data/fix/linux/rhsa-2021-4140.md) | Nov 9, 2021 |
| Linux | kernel-rt-debug-devel RHEL 8 | 0:4.18.0-348.rt7.130.el8 | [RHSA-2021:4140](https://patchblox.com/security/data/fix/linux/rhsa-2021-4140.md) | Nov 9, 2021 |
| Linux | kernel-rt-debug-kvm RHEL 8 | 0:4.18.0-348.rt7.130.el8 | [RHSA-2021:4140](https://patchblox.com/security/data/fix/linux/rhsa-2021-4140.md) | Nov 9, 2021 |
| Linux | kernel-rt-debug-modules RHEL 8 | 0:4.18.0-348.rt7.130.el8 | [RHSA-2021:4140](https://patchblox.com/security/data/fix/linux/rhsa-2021-4140.md) | Nov 9, 2021 |
| Linux | kernel-rt-debug-modules-extra RHEL 8 | 0:4.18.0-348.rt7.130.el8 | [RHSA-2021:4140](https://patchblox.com/security/data/fix/linux/rhsa-2021-4140.md) | Nov 9, 2021 |
| Linux | kernel-rt-devel RHEL 8 | 0:4.18.0-348.rt7.130.el8 | [RHSA-2021:4140](https://patchblox.com/security/data/fix/linux/rhsa-2021-4140.md) | Nov 9, 2021 |
| Linux | kernel-rt-kvm RHEL 8 | 0:4.18.0-348.rt7.130.el8 | [RHSA-2021:4140](https://patchblox.com/security/data/fix/linux/rhsa-2021-4140.md) | Nov 9, 2021 |
| Linux | kernel-rt-modules RHEL 8 | 0:4.18.0-348.rt7.130.el8 | [RHSA-2021:4140](https://patchblox.com/security/data/fix/linux/rhsa-2021-4140.md) | Nov 9, 2021 |
| Linux | kernel-rt-modules-extra RHEL 8 | 0:4.18.0-348.rt7.130.el8 | [RHSA-2021:4140](https://patchblox.com/security/data/fix/linux/rhsa-2021-4140.md) | Nov 9, 2021 |
| Linux | kernel-tools RHEL 8 | 0:4.18.0-348.el8 | [RHSA-2021:4356](https://patchblox.com/security/data/fix/linux/rhsa-2021-4356.md) | Nov 9, 2021 |
| Linux | kernel-tools ol 8 | 0:4.18.0-348.el8 | [ELSA-2021-4356](https://patchblox.com/security/data/fix/linux/elsa-2021-4356.md) | Nov 16, 2021 |
| Linux | kernel-tools-libs RHEL 8 | 0:4.18.0-348.el8 | [RHSA-2021:4356](https://patchblox.com/security/data/fix/linux/rhsa-2021-4356.md) | Nov 9, 2021 |
| Linux | kernel-tools-libs ol 8 | 0:4.18.0-348.el8 | [ELSA-2021-4356](https://patchblox.com/security/data/fix/linux/elsa-2021-4356.md) | Nov 16, 2021 |
| Linux | kernel-tools-libs-devel RHEL 8 | 0:4.18.0-348.el8 | [RHSA-2021:4356](https://patchblox.com/security/data/fix/linux/rhsa-2021-4356.md) | Nov 9, 2021 |
| Linux | kernel-tools-libs-devel ol 8 | 0:4.18.0-348.el8 | [ELSA-2021-4356](https://patchblox.com/security/data/fix/linux/elsa-2021-4356.md) | Nov 16, 2021 |
| Linux | kernel-zfcpdump RHEL 8 | 0:4.18.0-348.el8 | [RHSA-2021:4356](https://patchblox.com/security/data/fix/linux/rhsa-2021-4356.md) | Nov 9, 2021 |
| Linux | kernel-zfcpdump-core RHEL 8 | 0:4.18.0-348.el8 | [RHSA-2021:4356](https://patchblox.com/security/data/fix/linux/rhsa-2021-4356.md) | Nov 9, 2021 |
| Linux | kernel-zfcpdump-devel RHEL 8 | 0:4.18.0-348.el8 | [RHSA-2021:4356](https://patchblox.com/security/data/fix/linux/rhsa-2021-4356.md) | Nov 9, 2021 |
| Linux | kernel-zfcpdump-modules RHEL 8 | 0:4.18.0-348.el8 | [RHSA-2021:4356](https://patchblox.com/security/data/fix/linux/rhsa-2021-4356.md) | Nov 9, 2021 |
| Linux | kernel-zfcpdump-modules-extra RHEL 8 | 0:4.18.0-348.el8 | [RHSA-2021:4356](https://patchblox.com/security/data/fix/linux/rhsa-2021-4356.md) | Nov 9, 2021 |
| Linux | perf RHEL 8 | 0:4.18.0-348.el8 | [RHSA-2021:4356](https://patchblox.com/security/data/fix/linux/rhsa-2021-4356.md) | Nov 9, 2021 |
| Linux | perf ol 8 | 0:4.18.0-348.el8 | [ELSA-2021-4356](https://patchblox.com/security/data/fix/linux/elsa-2021-4356.md) | Nov 16, 2021 |
| Linux | python3-perf RHEL 8 | 0:4.18.0-348.el8 | [RHSA-2021:4356](https://patchblox.com/security/data/fix/linux/rhsa-2021-4356.md) | Nov 9, 2021 |
| Linux | python3-perf ol 8 | 0:4.18.0-348.el8 | [ELSA-2021-4356](https://patchblox.com/security/data/fix/linux/elsa-2021-4356.md) | Nov 16, 2021 |

---

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