What’s Vulnerable › Vulnerabilities

CVE-2023-36424: Microsoft Windows Out-of-Bounds Read Vulnerability

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2026-04-13
• EPSS: 12.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-11-14 · updated 2026-06-17
• Weakness: CWE-125

Description

Windows Common Log File System Driver Elevation of Privilege Vulnerability

Affected products

• Microsoft Windows 10 Version 1507: before 10.0.10240.20308 — fixed in 10.0.10240.20308
• Microsoft Windows 10 1607: before 10.0.14393.6452 — fixed in 10.0.14393.6452
• Microsoft Windows 10: before 10.0.17763.5122 — fixed in 10.0.17763.5122
• Microsoft Windows 10: before 10.0.19044.3693 — fixed in 10.0.19044.3693
• Microsoft Windows 10: before 10.0.19045.3693 — fixed in 10.0.19045.3693
• Microsoft Windows 11 21H2: before 10.0.22000.2600 — fixed in 10.0.22000.2600
• Microsoft Windows 11: before 10.0.22621.2715 — fixed in 10.0.22621.2715
• Microsoft Windows 11: before 10.0.22631.2715 — fixed in 10.0.22631.2715
• Microsoft Windows Server 2008: r2-sp1
• Microsoft Windows Server 2012: r2
• Microsoft Windows Server 2016: before 10.0.14393.6452 — fixed in 10.0.14393.6452
• Microsoft Windows Server 2019: before 10.0.17763.5122 — fixed in 10.0.17763.5122
• Microsoft Windows Server 2022: before 10.0.20348.2091 — fixed in 10.0.20348.2091
• Microsoft Windows Server 2022, 23H2 Edition (Server Core installation): before 10.0.25398.531 — fixed in 10.0.25398.531

How to fix

Upgrade to a fixed version: Microsoft Windows 10 Version 1507 10.0.10240.20308; Microsoft Windows 10 1607 10.0.14393.6452; Microsoft Windows 10 10.0.17763.5122; Microsoft Windows 10 10.0.19044.3693; Microsoft Windows 10 10.0.19045.3693; Microsoft Windows 11 21H2 10.0.22000.2600; Microsoft Windows 11 10.0.22621.2715; Microsoft Windows 11 10.0.22631.2715; Microsoft Windows Server 2016 10.0.14393.6452; Microsoft Windows Server 2019 10.0.17763.5122; Microsoft Windows Server 2022 10.0.20348.2091; Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.531. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36424
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36424
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-36424

Get alerted when CVE-2023-36424 or the next vulnerability affects your stack