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CVE-2025-54092VulnerabilityPublished Updated

CVE-2025-54092: Microsoft Windows 10 Version 1809 · Race Condition

Affects Microsoft Windows 10 Version 1809Source CVE Database V5

0

Not known to be exploited · CVSS 7.8 High.

Data as of 26 Oct 2026, 07:57 UTC

CVSS 3.1 base score
7.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 27% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:L/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 2026-10-26.

What to do

Affected software

ProductAffectedFixed in
Microsoft Windows 10 Version 1809Affected
  • =10.0.17763.0
Fixed in–

AI-suggested

1. Restrict local access: Limit the number of users with local access to systems running Windows 10 Version 1809 with Hyper-V enabled. Use the principle of least privilege to minimize exposure. 2. Monitor and audit: Implement enhanced monitoring for unusual privilege escalation attempts and anomalous behavior on Hyper-V hosts. 3. Apply patches promptly: Although no patches are currently available, organizations should prioritize deploying official updates from Microsoft as soon as they are released. 4. Use updated OS versions: Consider upgrading to newer, supported Windows versions where this vulnerability is not present or has been addressed. 5. Harden Hyper-V configurations: Disable or restrict unnecessary Hyper-V features and services to reduce the attack surface. 6. Employ endpoint protection: Use advanced endpoint detection and response (EDR) solutions capable of detecting exploitation attempts related to race conditions and privilege escalation. 7. Network segmentation: Isolate Hyper-V hosts from less trusted network segments to limit the impact of a compromised host. 8. Educate users: Train local users on security best practices to reduce the risk of inadvertent exposure or exploitation.

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Hyper-V allows an authorized attacker to elevate privileges locally.

References

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