CVE-2025-62217: Microsoft Windows 10 Version 1607 · Race Condition
Affects Microsoft Windows 10 Version 1607Source CVE Database V5
Not known to be exploited · CVSS 7.0 High.
Data as of 26 Oct 2026, 09:15 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 18% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation evidence
Disclosed: evidence found.
CVE published 11 Nov 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 1607 | Affected
| Fixed in– |
AI-suggested
To mitigate CVE-2025-62217 effectively, organizations should: 1) Upgrade affected systems to a supported and patched version of Windows 10 or later, as Windows 10 Version 1607 is outdated and may no longer receive security updates. 2) If upgrading is not immediately feasible, apply any available security patches or hotfixes from Microsoft as soon as they are released. 3) Restrict local access to critical systems by enforcing strict access controls, limiting user privileges, and employing application whitelisting to reduce the risk of local exploitation. 4) Monitor systems for unusual activity indicative of privilege escalation attempts, such as unexpected process launches or changes in user privileges. 5) Implement endpoint detection and response (EDR) solutions capable of detecting race condition exploitation techniques. 6) Conduct regular security audits and vulnerability assessments focusing on legacy systems to identify and remediate similar synchronization issues. 7) Educate users and administrators about the risks of local privilege escalation vulnerabilities and the importance of timely patching and system upgrades. These measures collectively reduce the attack surface and improve resilience against exploitation of this race condition vulnerability.
Description
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.