Vulnerability · CVE-2025-32706
Microsoft Windows Common Log File System (CLFS) Driver Heap-Based Buffer Overflow Vulnerability
Published May 13, 2025 · catalog updated Jun 17, 2026 · Microsoft Windows 10 Version 1607
Patch now
CVE-2025-32706 is in the CISA known-exploited catalog, due Jun 3, 2025. Confirm Microsoft Windows 10 Version 1607 against the vendor advisory and apply that fix. The CVSS score does not change the priority.
- Severity
- High7.8
- Known exploitation
- CISA KEV and VulnCheck KEV
- EPSS
- 2.33%
- Remediation
- Remediation guidance
- Affected products
- cpe microsoft/windows 10 1507 · cpe microsoft/windows 10 1607 · cpe microsoft/windows 10 1809 · cpe microsoft/windows 10 21h2 · cpe microsoft/windows 10 22h2 · cpe microsoft/windows 11 22h2
Microsoft Windows Common Log File System (CLFS) Driver contains a heap-based buffer overflow vulnerability that allows an authorized attacker to elevate privileges locally.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe microsoft/windows 10 1507version unspecified
- cpe microsoft/windows 10 1607version unspecified
- cpe microsoft/windows 10 1809version unspecified
- cpe microsoft/windows 10 21h2version unspecified
- cpe microsoft/windows 10 22h2version unspecified
- cpe microsoft/windows 11 22h2version unspecified
- cpe microsoft/windows 11 23h2version unspecified
- vendor Microsoft Windowsversion unspecified
- vendor Microsoft Windows 10 Version 1607 10.0.14393.0 <10.0.14393.806610.0.14393.0 <10.0.14393.8066
How to fix CVE-2025-32706
Recommended remediation
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. CISA due date Jun 3, 2025.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
CVE-2025-32706 is in the CISA known-exploited catalog, due Jun 3, 2025. Confirm Microsoft Windows 10 Version 1607 against the vendor advisory and apply that fix. The CVSS score does not change the priority.
Which versions are affected?
Compare what you have installed with Microsoft Windows 10 Version 1607 10.0.14393.0 <10.0.14393.8066 10.0.14393.0 <10.0.14393.8066. Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
What should an analyst verify?
CWE-122: Heap-based Buffer Overflow; CWE-20: Improper Input Validation. EPSS 2.33%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Technology hubs
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
May 13, 2025 · Catalog
Detected
Microsoft Windows Common Log File System (CLFS) Driver contains a heap-based buffer overflow vulnerability that allows an authorized attacker to elevate privileges locally.
May 13, 2025 · CISA KEV
Known exploited
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Jun 3, 2025 · CISA KEV
Remediation due
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Jun 17, 2026 · Catalog
Updated
Microsoft Windows Common Log File System (CLFS) Driver contains a heap-based buffer overflow vulnerability that allows an authorized attacker to elevate privileges locally.
Sources
- CISA KEVConfirmed exploitationCVE-2025-32706
Microsoft Windows Common Log File System (CLFS) Driver contains a heap-based buffer overflow vulnerability that allows an authorized attacker to elevate privileges locally.
cisa.gov - CVE.orgVulnerability recordCVE-2025-32706
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-32706
30-day exploitation probability 2.3%
first.org - EUVDVulnerability recordEUVD-2025-14441
Improper input validation in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
euvd.enisa.europa.eu - NIST NVDVulnerability recordCVE-2025-32706
Improper input validation in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
nvd.nist.gov - VulnCheck KEVConfirmed exploitationCVE-2025-32706
Microsoft Windows Common Log File System (CLFS) Driver contains a heap-based buffer overflow vulnerability that allows an authorized attacker to elevate privileges locally.
vulncheck.com
References
- VulnCheck exploitation evidence · api.msrc.microsoft.com
- VulnCheck exploitation evidence · docs.google.com
- EUVD record · euvd.enisa.europa.eu
- CISA note · msrc.microsoft.com
- Vendor Advisory · msrc.microsoft.com
- CISA note · nvd.nist.gov
- US Government Resource · cisa.gov
- VulnCheck exploitation evidence · cisa.gov
- VulnCheck exploitation evidence · crowdstrike.com
- VulnCheck exploitation evidence · loginsoft.com
- Exploit · vicarius.io
- Exploit · vicarius.io
Freshness
Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.