CVE-2025-32706
Windows Common Log File System Driver Elevation of Privilege Vulnerability
CVE-2025-32706 is a high vulnerability (CVSS 7.8) in Microsoft Windows, published May 13, 2025. CISA lists it as known to be exploited, since May 13, 2025. EUVD reports exploitation since May 13, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.33%, the 83rd percentile. No source names a fixed version.
- Severity
- 7.8 HighCVSS 3.1, CVE List
- Exploit chance
- 2.33%EPSS, 83rd percentile
- Exploitation
- ExploitedCISA KEV,
- Fixed in
- No fix listedNo source names one
Description
Improper input validation in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
Affected products
- microsoft windows
- microsoft windows 10 version 1507
- microsoft windows 10 version 1607
- microsoft windows 10 version 1809
- microsoft windows 10 version 21h2
- microsoft windows 10 version 22h2
- microsoft windows 11 version 22h2
- microsoft windows 11 version 22h3
- microsoft windows 11 version 23h2
- microsoft windows 11 version 24h2
- microsoft windows server 2008 r2 service pack 1
- microsoft windows server 2008 r2 service pack 1 (server core installation)
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- microsoft windows server 2008 service pack 2
- microsoft windows server 2008 service pack 2 (server core installation)
- microsoft windows server 2012
- microsoft windows server 2012 (server core installation)
- microsoft windows server 2012 r2
- microsoft windows server 2012 r2 (server core installation)
- microsoft windows server 2016
- microsoft windows server 2016 (server core installation)
- microsoft windows server 2019
- microsoft windows server 2019 (server core installation)
- microsoft windows server 2022
- microsoft windows server 2022, 23h2 edition (server core installation)
- microsoft windows server 2025
- microsoft windows server 2025 (server core installation)
- microsoft windows 10 1507
- microsoft windows 10 1607
- microsoft windows 10 1809
- microsoft windows 10 21h2
- microsoft windows 10 22h2
- microsoft windows 11 22h2
- microsoft windows 11 23h2
- microsoft windows 11 24h2
- microsoft windows server 2008
- microsoft windows server 2022 23h2
What each source reports
CVE List Score used
Windows Common Log File System Driver Elevation of Privilege Vulnerability
Improper input validation in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
- Record
CVE-2025-32706- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C - Weakness
- CWE-20
- Updated
- 2026-11-02
EUVDEUVD-2025-14441
Improper input validation in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
- Record
EUVD-2025-14441- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-7492-x955-c45q
Improper input validation in Windows Common Log File System Driver allows an authorized attacker...
Improper input validation in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
- Record
GHSA-7492-x955-c45q- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
CISA KEVNo score
Microsoft Windows Common Log File System (CLFS) Driver Heap-Based Buffer Overflow Vulnerability
Microsoft Windows Common Log File System (CLFS) Driver contains a heap-based buffer overflow vulnerability that allows an authorized attacker to elevate privileges locally.
- Record
CVE-2025-32706- Weakness
- CWE-122
- Updated
- 2026-11-02
NVD
Improper input validation in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
- Record
CVE-2025-32706- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| exploitation | ||
| first indexed | CVE List, EUVD, GitHub Advisories, CISA KEV, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
msrc.microsoft.com/update-guide/vulnerability/CVE-2025-32706
cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-32706
vicarius.io/vsociety/posts/cve-2025-32706-detection-script-elevation-of-privilege-vulnerability-in-microsoft-windows-common-log-file-system-driver
nvd.nist.gov/vuln/detail/CVE-2025-32706
github.com/advisories/GHSA-7492-x955-c45q