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TI-2022-08387 Aliases CVE-2022-24521GHSA-59qr-cc8f-v837

Windows Common Log File System Driver Elevation of Privilege Vulnerability

Priority CRITICAL 93Exploited in the wildCWE-787Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Privilege escalation
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Microsoft. Impact type from Microsoft.

Summary

Windows Common Log File System Driver Elevation of Privilege Vulnerability

Why it matters now

Exploitation Active In CISA KEV since 2022-04-13CISA due date 2022-05-04Known ransomware use
EPSS 0.07134 94th percentileScored 2026-11-07
Fix Fixed Microsoft: 15 updates

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Active
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftWindows 10 Version 180910.0.17763.0 to before 10.0.17763.280310.0.17763.2803Patch availableCNA
MicrosoftWindows 10 Version 180910.0.0 to before 10.0.17763.280310.0.17763.2803Patch availableCNA
MicrosoftWindows Server 201910.0.17763.0 to before 10.0.17763.280310.0.17763.2803Patch availableCNA
MicrosoftWindows Server 2019 (Server Core installation)10.0.17763.0 to before 10.0.17763.280310.0.17763.2803Patch availableCNA
MicrosoftWindows 10 Version 190910.0.0 to before 10.0.18363.221210.0.18363.2212Patch availableCNA
MicrosoftWindows 10 Version 21H110.0.0 to before 10.0.19043.164510.0.19043.1645Patch availableCNA
MicrosoftWindows Server 202210.0.20348.0 to before 10.0.20348.64310.0.20348.643Patch availableCNA
MicrosoftWindows 10 Version 20H210.0.0 to before 10.0.19042.164510.0.19042.1645Patch availableCNA
MicrosoftWindows Server version 20H210.0.0 to before 10.0.19042.164510.0.19042.1645Patch availableCNA
MicrosoftWindows 11 version 21H210.0.0 to before 10.0.22000.61310.0.22000.613Patch availableCNA
MicrosoftWindows 10 Version 21H210.0.19043.0 to before 10.0.19044.164510.0.19044.1645Patch availableCNA
MicrosoftWindows 10 Version 150710.0.10240.0 to before 10.0.10240.1926510.0.10240.19265Patch availableCNA
MicrosoftWindows 10 Version 160710.0.14393.0 to before 10.0.14393.506610.0.14393.5066Patch availableCNA
MicrosoftWindows Server 201610.0.14393.0 to before 10.0.14393.506610.0.14393.5066Patch availableCNA
MicrosoftWindows Server 2016 (Server Core installation)10.0.14393.0 to before 10.0.14393.506610.0.14393.5066Patch availableCNA
MicrosoftWindows 76.1.0 to before 6.1.7601.259246.1.7601.25924Patch availableCNA
MicrosoftWindows 7 Service Pack 16.1.0 to before 6.1.7601.259246.1.7601.25924Patch availableCNA
MicrosoftWindows 8.16.3.0 to before 6.3.9600.203376.3.9600.20337Patch availableCNA
MicrosoftWindows Server 2008 Service Pack 26.0.6003.0 to before 6.0.6003.214466.0.6003.21446Patch availableCNA
MicrosoftWindows Server 2008 Service Pack 2 (Server Core installation)6.0.6003.0 to before 6.0.6003.214466.0.6003.21446Patch availableCNA
MicrosoftWindows Server 2008 Service Pack 26.0.6003.0 to before 6.0.6003.214466.0.6003.21446Patch availableCNA
MicrosoftWindows Server 2008 R2 Service Pack 16.1.7601.0 to before 6.1.7601.259246.1.7601.25924Patch availableCNA
MicrosoftWindows Server 2008 R2 Service Pack 1 (Server Core installation)6.1.7601.0 to before 6.1.7601.259246.1.7601.25924Patch availableCNA
MicrosoftWindows Server 20126.2.9200.0 to before 6.2.9200.236796.2.9200.23679Patch availableCNA
MicrosoftWindows Server 2012 (Server Core installation)6.2.9200.0 to before 6.2.9200.236796.2.9200.23679Patch availableCNA
MicrosoftWindows Server 2012 R26.3.9600.0 to before 6.3.9600.203376.3.9600.20337Patch availableCNA
MicrosoftWindows Server 2012 R2 (Server Core installation)6.3.9600.0 to before 6.3.9600.203376.3.9600.20337Patch availableCNA
  • Windows 10 Version 1809 VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.2803 Fixed in 10.0.17763.2803 Patch available CNA
  • Windows 10 Version 1809 VendorMicrosoft Affected 10.0.0 to before 10.0.17763.2803 Fixed in 10.0.17763.2803 Patch available CNA
  • Windows Server 2019 VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.2803 Fixed in 10.0.17763.2803 Patch available CNA
  • Windows Server 2019 (Server Core installation) VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.2803 Fixed in 10.0.17763.2803 Patch available CNA
  • Windows 10 Version 1909 VendorMicrosoft Affected 10.0.0 to before 10.0.18363.2212 Fixed in 10.0.18363.2212 Patch available CNA
  • Windows 10 Version 21H1 VendorMicrosoft Affected 10.0.0 to before 10.0.19043.1645 Fixed in 10.0.19043.1645 Patch available CNA
  • Windows Server 2022 VendorMicrosoft Affected 10.0.20348.0 to before 10.0.20348.643 Fixed in 10.0.20348.643 Patch available CNA
  • Windows 10 Version 20H2 VendorMicrosoft Affected 10.0.0 to before 10.0.19042.1645 Fixed in 10.0.19042.1645 Patch available CNA
  • Windows Server version 20H2 VendorMicrosoft Affected 10.0.0 to before 10.0.19042.1645 Fixed in 10.0.19042.1645 Patch available CNA
  • Windows 11 version 21H2 VendorMicrosoft Affected 10.0.0 to before 10.0.22000.613 Fixed in 10.0.22000.613 Patch available CNA
  • Windows 10 Version 21H2 VendorMicrosoft Affected 10.0.19043.0 to before 10.0.19044.1645 Fixed in 10.0.19044.1645 Patch available CNA
  • Windows 10 Version 1507 VendorMicrosoft Affected 10.0.10240.0 to before 10.0.10240.19265 Fixed in 10.0.10240.19265 Patch available CNA
  • Windows 10 Version 1607 VendorMicrosoft Affected 10.0.14393.0 to before 10.0.14393.5066 Fixed in 10.0.14393.5066 Patch available CNA
  • Windows Server 2016 VendorMicrosoft Affected 10.0.14393.0 to before 10.0.14393.5066 Fixed in 10.0.14393.5066 Patch available CNA
  • Windows Server 2016 (Server Core installation) VendorMicrosoft Affected 10.0.14393.0 to before 10.0.14393.5066 Fixed in 10.0.14393.5066 Patch available CNA
  • Windows 7 VendorMicrosoft Affected 6.1.0 to before 6.1.7601.25924 Fixed in 6.1.7601.25924 Patch available CNA
  • Windows 7 Service Pack 1 VendorMicrosoft Affected 6.1.0 to before 6.1.7601.25924 Fixed in 6.1.7601.25924 Patch available CNA
  • Windows 8.1 VendorMicrosoft Affected 6.3.0 to before 6.3.9600.20337 Fixed in 6.3.9600.20337 Patch available CNA
  • Windows Server 2008 Service Pack 2 VendorMicrosoft Affected 6.0.6003.0 to before 6.0.6003.21446 Fixed in 6.0.6003.21446 Patch available CNA
  • Windows Server 2008 Service Pack 2 (Server Core installation) VendorMicrosoft Affected 6.0.6003.0 to before 6.0.6003.21446 Fixed in 6.0.6003.21446 Patch available CNA
  • Windows Server 2008 Service Pack 2 VendorMicrosoft Affected 6.0.6003.0 to before 6.0.6003.21446 Fixed in 6.0.6003.21446 Patch available CNA
  • Windows Server 2008 R2 Service Pack 1 VendorMicrosoft Affected 6.1.7601.0 to before 6.1.7601.25924 Fixed in 6.1.7601.25924 Patch available CNA
  • Windows Server 2008 R2 Service Pack 1 (Server Core installation) VendorMicrosoft Affected 6.1.7601.0 to before 6.1.7601.25924 Fixed in 6.1.7601.25924 Patch available CNA
  • Windows Server 2012 VendorMicrosoft Affected 6.2.9200.0 to before 6.2.9200.23679 Fixed in 6.2.9200.23679 Patch available CNA
  • Windows Server 2012 (Server Core installation) VendorMicrosoft Affected 6.2.9200.0 to before 6.2.9200.23679 Fixed in 6.2.9200.23679 Patch available CNA
  • Windows Server 2012 R2 VendorMicrosoft Affected 6.3.9600.0 to before 6.3.9600.20337 Fixed in 6.3.9600.20337 Patch available CNA
  • Windows Server 2012 R2 (Server Core installation) VendorMicrosoft Affected 6.3.9600.0 to before 6.3.9600.20337 Fixed in 6.3.9600.20337 Patch available CNA

CPE configurations NVD · 19

CPEVersionsRoleVendor
cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:*:*before 10.0.10240.19265VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:*:*before 10.0.14393.5066VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:*up to 10.0.17763.2803VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:*:*before 10.0.18363.2212VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:*:*before 10.0.19042.1645VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10_21h1:*:*:*:*:*:*:*:*before 10.0.19043.1645VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*before 10.0.19044.1645VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:*before 10.0.22000.613VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*not specified by NVDVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*not specified by NVDVulnerableMicrosoft
  • cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:*:* Versions before 10.0.10240.19265 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:*:* Versions before 10.0.14393.5066 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:* Versions up to 10.0.17763.2803 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:*:* Versions before 10.0.18363.2212 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:*:* Versions before 10.0.19042.1645 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_21h1:*:*:*:*:*:*:*:* Versions before 10.0.19043.1645 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:* Versions before 10.0.19044.1645 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:* Versions before 10.0.22000.613 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
Show 9 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*not specified by NVDVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2008:*:sp2:*:*:*:*:*:*all versionsVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*r2 sp1VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*not specified by NVDVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*r2VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*before 10.0.14393.5066VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*before 10.0.17763.2803VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*before 10.0.20348.643VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_20h2:*:*:*:*:*:*:*:*before 10.0.19042.1645VulnerableMicrosoft
  • cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2008:*:sp2:*:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:* Versions r2 sp1 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* Versions r2 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:* Versions before 10.0.14393.5066 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* Versions before 10.0.17763.2803 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* Versions before 10.0.20348.643 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_20h2:*:*:*:*:*:*:*:* Versions before 10.0.19042.1645 Vulnerable ·Microsoft

Remediation

Microsoft 15 updates

  • KB5012670
    Monthly Rollup
    • Windows 8.1 for 32-bit systems 6.3.9600.20337
    • Windows 8.1 for x64-based systems 6.3.9600.20337
    • Windows Server 2012 R2 6.3.9600.20337
    • Windows Server 2012 R2 (Server Core installation) 6.3.9600.20337
  • KB5012666
    Security Only
    • Windows Server 2012 6.2.9200.23679
    • Windows Server 2012 (Server Core installation) 6.2.9200.23679
  • KB5012658
    Monthly Rollup
    • Windows Server 2008 for 32-bit Systems Service Pack 2 6.0.6003.21446
    • Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) 6.0.6003.21446
    • Windows Server 2008 for x64-based Systems Service Pack 2 6.0.6003.21446
    • Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) 6.0.6003.21446
Show 12 more Microsoft updates
  • KB5012653
    Security Update
    • Windows 10 for 32-bit Systems 10.0.10240.19265
    • Windows 10 for x64-based Systems 10.0.10240.19265
  • KB5012650
    Monthly Rollup
    • Windows Server 2012 6.2.9200.23679
    • Windows Server 2012 (Server Core installation) 6.2.9200.23679
  • KB5012649
    Security Only
    • Windows 7 for 32-bit Systems Service Pack 1 6.1.7601.25924
    • Windows 7 for x64-based Systems Service Pack 1 6.1.7601.25924
    • Windows Server 2008 R2 for x64-based Systems Service Pack 1 6.1.7601.25924
    • Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 6.1.7601.25924
  • KB5012647
    Security Update
    • Windows 10 Version 1809 for 32-bit Systems 10.0.17763.2803
    • Windows 10 Version 1809 for ARM64-based Systems 10.0.17763.2803
    • Windows 10 Version 1809 for x64-based Systems 10.0.17763.2803
    • Windows Server 2019 10.0.17763.2803
    • Windows Server 2019 (Server Core installation) 10.0.17763.2803
  • KB5012639
    Security Only
    • Windows 8.1 for 32-bit systems 6.3.9600.20337
    • Windows 8.1 for x64-based systems 6.3.9600.20337
    • Windows RT 8.1 6.3.9600.20337
    • Windows Server 2012 R2 6.3.9600.20337
    • Windows Server 2012 R2 (Server Core installation) 6.3.9600.20337
  • KB5012632
    Security Only
    • Windows Server 2008 for 32-bit Systems Service Pack 2 6.0.6003.21446
    • Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) 6.0.6003.21446
    • Windows Server 2008 for x64-based Systems Service Pack 2 6.0.6003.21446
    • Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) 6.0.6003.21446
  • KB5012626
    Monthly Rollup
    • Windows 7 for 32-bit Systems Service Pack 1 6.1.7601.25924
    • Windows 7 for x64-based Systems Service Pack 1 6.1.7601.25924
    • Windows Server 2008 R2 for x64-based Systems Service Pack 1 6.1.7601.25924
    • Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 6.1.7601.25924
  • KB5012604
    Security Update
    • Windows Server 2022 10.0.20348.643
    • Windows Server 2022 (Server Core installation) 10.0.20348.643
  • KB5012599
    Security Update
    • Windows 10 Version 20H2 for 32-bit Systems 10.0.19042.1645
    • Windows 10 Version 20H2 for ARM64-based Systems 10.0.19042.1645
    • Windows 10 Version 21H1 for 32-bit Systems 10.0.19043.1645
    • Windows 10 Version 21H1 for ARM64-based Systems 10.0.19043.1645
    • Windows 10 Version 21H1 for x64-based Systems 10.0.19043.1645
    • Windows 10 Version 21H2 for 32-bit Systems 10.0.19043.1645, 10.0.19044.1645
    • Windows 10 Version 21H2 for ARM64-based Systems 10.0.19044.1645
    • Windows 10 Version 21H2 for x64-based Systems 10.0.19044.1645
    • Windows Server, version 20H2 (Server Core Installation) 10.0.19042.1645
  • KB5012596
    Security Update
    • Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 10.0.14393.5066
    • Windows 10 Version 1607 for 32-bit Systems 10.0.14393.5066
    • Windows 10 Version 1607 for x64-based Systems 10.0.14393.5066
    • Windows Server 2016 10.0.14393.5066
    • Windows Server 2016 (Server Core installation) 10.0.14393.5066
  • KB5012592
    Security Update
    • Windows 11 version 21H2 for ARM64-based Systems 10.0.22000.613
    • Windows 11 version 21H2 for x64-based Systems 10.0.22000.613
  • KB5012591
    Security Update
    • Windows 10 Version 1909 for 32-bit Systems 10.0.18363.2212
    • Windows 10 Version 1909 for ARM64-based Systems 10.0.18363.2212
    • Windows 10 Version 1909 for x64-based Systems 10.0.18363.2212

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Elevation of Privilege
Exploited
Yes
Publicly disclosed
No
Exploitability
Exploitation Detected

Timeline

  1. 2022-04-13 Added to CISA KEV
  2. 2026-10-02 Threatist record created from CVE-2022-24521
  3. 2026-10-03 Alias added: GHSA-59qr-cc8f-v837

References

Patch 1

  • TI-2017-06077 Microsoft Windows XP SP3, Windows XP x64 XP2, Windows Server 2003 SP2, Windows Vista… KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-24062 Windows SMB Client Elevation of Privilege Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2025-24042 Internet Shortcut Files Remote Code Execution Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2024-32708 Windows Task Scheduler Elevation of Privilege Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2024-29106 Windows MSHTML Platform Spoofing Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2024-19802 Windows MSHTML Platform Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
See all 1229 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences