CVE-2025-54092: Microsoft Windows 10 Version 1809 · Race Condition
Affects Microsoft Windows 10 Version 1809Source CVE Database V5
Not known to be exploited · CVSS 7.8 High.
Data as of 26 Oct 2026, 08:30 UTC
- 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: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 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Microsoft Windows 10 Version 1809 | Affected
| 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.