CVEs / CVE-2023-36424
CVE-2023-36424: Microsoft Windows Out-of-Bounds Read Vulnerability
- Known exploited in the CISA KEV catalog since 13 Apr 2026
- high 7.8 CVSS 3.1 (NVD)
- EPSS 12% chance of exploitation in the next 30 days, higher than 96% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
Microsoft Windows Common Log File System Driver contains an out-of-bounds read vulnerability that could allow a threat actor for privileges escalation
Description
Windows Common Log File System Driver Elevation of Privilege Vulnerability
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Microsoft Windows 11 version 22H3 | from 10.0.22631.0, before 10.0.22631.2715 | 10.0.22631.2715 |
| Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) | from 10.0.25398.0, before 10.0.25398.531 | 10.0.25398.531 |
| Microsoft Windows 11 Version 23H2 | from 10.0.22631.0, before 10.0.22631.2715 | 10.0.22631.2715 |
| Microsoft Windows 10 Version 1809 | from 10.0.17763.0, before 10.0.17763.5122 | 10.0.17763.5122 |
| Microsoft Windows 10 Version 1809 | from 10.0.0, before 10.0.17763.5122 | 10.0.17763.5122 |
| Microsoft Windows Server 2019 | from 10.0.17763.0, before 10.0.17763.5122 | 10.0.17763.5122 |
| Microsoft Windows Server 2019 (Server Core installation) | from 10.0.17763.0, before 10.0.17763.5122 | 10.0.17763.5122 |
| Microsoft Windows Server 2022 | from 10.0.20348.0, before 10.0.20348.2113 | 10.0.20348.2113 |
| Microsoft Windows 11 version 21H2 | from 10.0.0, before 10.0.22000.2600 | 10.0.22000.2600 |
| Microsoft Windows 10 Version 21H2 | from 10.0.19043.0, before 10.0.19043.3693 | 10.0.19043.3693 |
| Microsoft Windows 11 version 22H2 | from 10.0.22621.0, before 10.0.22621.2715 | 10.0.22621.2715 |
| Microsoft Windows 10 Version 22H2 | from 10.0.19045.0, before 10.0.19045.3693 | 10.0.19045.3693 |
| Microsoft Windows 10 Version 1507 | from 10.0.10240.0, before 10.0.10240.20308 | 10.0.10240.20308 |
| Microsoft Windows 10 Version 1607 | from 10.0.14393.0, before 10.0.14393.6452 | 10.0.14393.6452 |
| Microsoft Windows Server 2016 | from 10.0.14393.0, before 10.0.14393.6452 | 10.0.14393.6452 |
| Microsoft Windows Server 2016 (Server Core installation) | from 10.0.14393.0, before 10.0.14393.6452 | 10.0.14393.6452 |
| Microsoft Windows Server 2008 Service Pack 2 | from 6.0.6003.0, before 6.0.6003.22367 | 6.0.6003.22367 |
| Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) | from 6.0.6003.0, before 6.0.6003.22367 | 6.0.6003.22367 |
| Microsoft Windows Server 2008 Service Pack 2 | from 6.0.6003.0, before 6.0.6003.22367 | 6.0.6003.22367 |
| Microsoft Windows Server 2008 R2 Service Pack 1 | from 6.1.7601.0, before 6.1.7601.26816 | 6.1.7601.26816 |
| Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) | from 6.1.7601.0, before 6.1.7601.26816 | 6.1.7601.26816 |
| Microsoft Windows Server 2012 | from 6.2.9200.0, before 6.2.9200.24569 | 6.2.9200.24569 |
| Microsoft Windows Server 2012 (Server Core installation) | from 6.2.9200.0, before 6.2.9200.24569 | 6.2.9200.24569 |
| Microsoft Windows Server 2012 R2 | from 6.3.9600.0, before 6.3.9600.21668 | 6.3.9600.21668 |
| Microsoft Windows Server 2012 R2 (Server Core installation) | from 6.3.9600.0, before 6.3.9600.21668 | 6.3.9600.21668 |
Exploitation
| In CISA KEV since | 13 Apr 2026 |
|---|---|
| Due date for US federal agencies | 27 Apr 2026 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. |
Severity
| CVSS 3.1 | 7.8 highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-125 |
References
- CVE-2023-36424 on NVD
- CVE-2023-36424 in the CISA KEV catalog
- https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2023-36424 (cited by CISA)
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36424 Patch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-36424 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.