Microsoft · ServicingStack update · October 11, 2022
KB5018427: October 2022 cumulative update for Windows 11 22H2
KB5018427, released October 11, 2022, fixes 64 CVEs across 2 products. 3 of them are being exploited (CVE-2021-34527); 3 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.
Patch now3 on CISA KEVKnown ransomware use1 publicly disclosedUnsupported product
CVEs closed
64
9 rated Critical
Exploited
3
CVE-2021-34527
Exploitation more likely
7
Microsoft's assessment
Highest EPSS
0.9979
99th percentile
Priority of the 64 CVEs
Patch now 3
Urgent 15
High 33
Routine 13
Applies to
| Product | Build after install |
|---|---|
| Windows 11 Version 22H2 for ARM64-based Systems | 22621.674 |
| Windows 11 Version 22H2 for x64-based Systems | 22621.674 |
CVEs this fix closes
| Priority | CVE | Component | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| Patch now | CVE-2021-34527 | Windows Print Spooler Components | Remote Code Execution | 8.8 | 0.9979 | KEVRansomwareDisclosedExploited |
| Patch now | CVE-2022-38028 | Windows Print Spooler Components | Elevation of Privilege | 7.8 | 0.1495 | KEVExploited |
| Patch now | CVE-2022-41033 | Windows COM+ Event System Service | Elevation of Privilege | 7.8 | 0.0189 | KEVExploited |
| Urgent | CVE-2022-37974 | Windows Perception Simulation Service | Information Disclosure | 6.5 | 0.3649 | More likely |
| Urgent | CVE-2022-37970 | Windows DWM Core Library | Elevation of Privilege | 7.8 | 0.0977 | More likely |
| Urgent | CVE-2022-37989 | Client Server Run-time Subsystem (CSRSS) | Elevation of Privilege | 7.8 | 0.0933 | More likely |
| Urgent | CVE-2022-37987 | Client Server Run-time Subsystem (CSRSS) | Elevation of Privilege | 7.8 | 0.0910 | More likely |
| Urgent | CVE-2022-38050 | Windows Win32K | Elevation of Privilege | 7.8 | 0.0732 | More likely |
| Urgent | CVE-2022-38051 | Microsoft Graphics Component | Elevation of Privilege | 7.8 | 0.0732 | More likely |
| Urgent | CVE-2022-41081 | Windows Point-to-Point Tunneling Protocol | Remote Code Execution | 8.1 | 0.0195 | Exploitation Less Likely |
| Urgent | CVE-2022-38000 | Windows Point-to-Point Tunneling Protocol | Remote Code Execution | 8.1 | 0.0163 | Exploitation Less Likely |
| Urgent | CVE-2022-22035 | Windows Point-to-Point Tunneling Protocol | Remote Code Execution | 8.1 | 0.0157 | Exploitation Less Likely |
| Urgent | CVE-2022-38047 | Windows Point-to-Point Tunneling Protocol | Remote Code Execution | 8.1 | 0.0147 | Exploitation Less Likely |
| Urgent | CVE-2022-24504 | Windows Point-to-Point Tunneling Protocol | Remote Code Execution | 8.1 | 0.0146 | Exploitation Less Likely |
| Urgent | CVE-2022-30198 | Windows Point-to-Point Tunneling Protocol | Remote Code Execution | 8.1 | 0.0146 | Exploitation Less Likely |
| Urgent | CVE-2022-33634 | Windows Point-to-Point Tunneling Protocol | Remote Code Execution | 8.1 | 0.0146 | Exploitation Less Likely |
| Urgent | CVE-2022-37997 | Microsoft Graphics Component | Elevation of Privilege | 7.8 | 0.0068 | More likely |
| Urgent | CVE-2022-37979 | Role: Windows Hyper-V | Elevation of Privilege | 7.8 | 0.0063 | Exploitation Less Likely |
| High | CVE-2022-38044 | Windows CD-ROM Driver | Remote Code Execution | 7.8 | 0.5627 | Exploitation Less Likely |
| High | CVE-2022-38034 | Windows Workstation Service | Elevation of Privilege | 8.8 | 0.0400 | Exploitation Less Likely |
| High | CVE-2022-37998 | Windows Local Session Manager (LSM) | Denial of Service | 7.7 | 0.0380 | Exploitation Less Likely |
| High | CVE-2022-37973 | Windows Local Session Manager (LSM) | Denial of Service | 7.7 | 0.0376 | Exploitation Less Likely |
| High | CVE-2022-38045 | Windows Server Service | Elevation of Privilege | 8.8 | 0.0281 | Exploitation Less Likely |
| High | CVE-2022-33645 | Windows TCP/IP | Denial of Service | 7.5 | 0.0264 | Exploitation Less Likely |
| High | CVE-2022-38041 | Windows Secure Channel | Denial of Service | 7.5 | 0.0261 | Exploitation Less Likely |
Showing 1 to 25 of 64
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