CVE-2025-54915: Microsoft Windows 10 Version 1507 · Type Confusion
Affects Microsoft Windows 10 Version 1507Source CVE Database V5
Not known to be exploited · CVSS 6.7 Medium.
Data as of 25 Oct 2026, 19:02 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 41% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation evidence
Disclosed: evidence found.
CVE published 9 Sep 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Microsoft Windows 10 Version 1507 | Affected
| Fixed in– |
AI-suggested
To mitigate CVE-2025-54915, organizations should: 1) Identify and inventory systems running Windows 10 Version 1507 and prioritize upgrading to supported, updated Windows versions to eliminate exposure to this legacy vulnerability. 2) Restrict local administrative access strictly to trusted personnel and use least privilege principles to reduce the risk of privilege escalation. 3) Monitor and audit local privilege use and suspicious activity on endpoints, focusing on Windows Defender Firewall Service interactions. 4) Apply any security updates or patches released by Microsoft promptly once available. 5) Employ endpoint detection and response (EDR) solutions capable of detecting anomalous privilege escalation behaviors. 6) Consider implementing application whitelisting and enhanced local security policies to limit the ability of attackers to exploit local vulnerabilities. 7) Use network segmentation to limit lateral movement opportunities if a local compromise occurs. These steps go beyond generic advice by focusing on legacy system identification, strict local privilege management, and proactive monitoring tailored to the affected component.
Description
Access of resource using incompatible type ('type confusion') in Windows Defender Firewall Service allows an authorized attacker to elevate privileges locally.