Microsoft · Security update · January 10, 2023
KB5022287: January 2023 cumulative update for Windows 11 21H2
KB5022287, released January 10, 2023, fixes 66 CVEs across 2 products. One of them is being exploited (CVE-2023-21674); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.
Patch now1 on CISA KEV1 publicly disclosedUnsupported product
CVEs closed
66
10 rated Critical
Exploited
1
CVE-2023-21674
Exploitation more likely
6
Microsoft's assessment
Highest EPSS
0.9253
99th percentile
Priority of the 66 CVEs
Patch now 1
Urgent 16
High 38
Routine 11
Applies to
| Product | Build after install |
|---|---|
| Windows 11 version 21H2 for ARM64-based Systems | 22000.1455 |
| Windows 11 version 21H2 for x64-based Systems | 22000.1455 |
CVEs this fix closes
| Priority | CVE | Component | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| Patch now | CVE-2023-21674 | Windows ALPC | Elevation of Privilege | 8.8 | 0.3421 | KEVExploited |
| Urgent | CVE-2023-21768 | Windows Ancillary Function Driver for WinSock | Elevation of Privilege | 7.8 | 0.6542 | More likely |
| Urgent | CVE-2022-41113 | Microsoft Graphics Component | Elevation of Privilege | 7.8 | 0.0813 | More likely |
| Urgent | CVE-2023-21552 | Microsoft Graphics Component | Elevation of Privilege | 7.8 | 0.0354 | More likely |
| Urgent | CVE-2023-21543 | Windows Layer 2 Tunneling Protocol | Remote Code Execution | 8.1 | 0.0177 | Exploitation Less Likely |
| Urgent | CVE-2023-21556 | Windows Layer 2 Tunneling Protocol | Remote Code Execution | 8.1 | 0.0150 | Exploitation Less Likely |
| Urgent | CVE-2023-21546 | Windows Layer 2 Tunneling Protocol | Remote Code Execution | 8.1 | 0.0113 | Exploitation Less Likely |
| Urgent | CVE-2023-21555 | Windows Layer 2 Tunneling Protocol | Remote Code Execution | 8.1 | 0.0113 | Exploitation Less Likely |
| Urgent | CVE-2023-21679 | Windows Layer 2 Tunneling Protocol | Remote Code Execution | 8.1 | 0.0113 | Exploitation Less Likely |
| Urgent | CVE-2023-21535 | Windows Secure Socket Tunneling Protocol (SSTP) | Remote Code Execution | 8.1 | 0.0111 | Exploitation Less Likely |
| Urgent | CVE-2023-21548 | Windows Secure Socket Tunneling Protocol (SSTP) | Remote Code Execution | 8.1 | 0.0111 | Exploitation Less Likely |
| Urgent | CVE-2023-21541 | Windows Task Scheduler | Elevation of Privilege | 7.8 | 0.0058 | More likely |
| Urgent | CVE-2023-21730 | Windows Cryptographic Services | Elevation of Privilege | 7.8 | 0.0054 | Exploitation Less Likely |
| Urgent | CVE-2023-21726 | Windows Credential Manager | Elevation of Privilege | 7.8 | 0.0046 | More likely |
| Urgent | CVE-2023-21532 | Microsoft Graphics Component | Elevation of Privilege | 7.0 | 0.0046 | More likely |
| Urgent | CVE-2023-21551 | Windows Cryptographic Services | Elevation of Privilege | 7.8 | 0.0045 | Exploitation Less Likely |
| Urgent | CVE-2023-21561 | Windows Cryptographic Services | Elevation of Privilege | 7.8 | 0.0045 | Exploitation Less Likely |
| High | CVE-2023-21758 | Windows IKE Extension | Denial of Service | 7.5 | 0.9253 | Exploitation Less Likely |
| High | CVE-2023-21547 | Windows Internet Key Exchange (IKE) Protocol | Denial of Service | 7.5 | 0.8928 | Exploitation Less Likely |
| High | CVE-2023-21752 | Windows Backup Engine | Elevation of Privilege | 7.1 | 0.0547 | Exploitation Less Likely |
| High | CVE-2023-21746 | Windows NTLM | Elevation of Privilege | 7.8 | 0.0243 | Exploitation Less Likely |
| High | CVE-2023-21557 | Windows LDAP - Lightweight Directory Access Protocol | Denial of Service | 7.5 | 0.0208 | Exploitation Less Likely |
| High | CVE-2023-21757 | Windows Remote Access Service L2TP Driver | Denial of Service | 7.5 | 0.0206 | Exploitation Less Likely |
| High | CVE-2023-21527 | Windows iSCSI | Denial of Service | 7.5 | 0.0203 | Exploitation Less Likely |
| High | CVE-2023-21677 | Windows IKE Extension | Denial of Service | 7.5 | 0.0203 | Exploitation Less Likely |
Showing 1 to 25 of 66
1Next
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.