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CVE-2025-53808VulnerabilityPublished Updated

CVE-2025-53808: Microsoft Windows 10 Version 1507 · Type Confusion

Affects Microsoft Windows 10 Version 1507Source CVE Database V5

0

Not known to be exploited · CVSS 6.7 Medium.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 3.1 base score
6.7Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.4% chance of exploitation in 30 days – higher than 39% 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:C

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 9 Sep 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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

ProductAffectedFixed in
Microsoft Windows 10 Version 1507Affected
  • =10.0.10240.0
Fixed in–

AI-suggested

Given the absence of an official patch, organizations should prioritize upgrading affected systems to a supported and fully patched version of Windows 10 or later. Discontinuing use of Windows 10 Version 1507 is the most effective mitigation. For environments where upgrade is not immediately feasible, applying strict access controls to limit users with high privileges can reduce the risk of exploitation. Monitoring and auditing local privilege escalations and unusual activity related to the Windows Defender Firewall Service can help detect attempts to exploit this vulnerability. Employing endpoint detection and response (EDR) solutions to identify suspicious behavior associated with type confusion or privilege escalation attacks is recommended. Additionally, organizations should maintain a robust patch management process to quickly apply security updates once Microsoft releases a fix. Network segmentation and least privilege principles should be enforced to minimize the impact of a compromised host. Finally, educating administrators about the risks of running unsupported OS versions and the importance of timely upgrades is critical.

Description

Access of resource using incompatible type ('type confusion') in Windows Defender Firewall Service allows an authorized attacker to elevate privileges locally.

References

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