CVE-2025-59277: Microsoft Windows 10 Version 1507 · Improper Validation of Specified Type of Input
Affects Microsoft Windows 10 Version 1507Source CVE Database V5
Not known to be exploited · CVSS 7.8 High.
Data as of 26 Oct 2026, 06:26 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 31% 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 14 Oct 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 2026-10-26.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Microsoft Windows 10 Version 1507 | Affected
| Fixed in– |
AI-suggested
To mitigate CVE-2025-59277 effectively, organizations should prioritize upgrading from Windows 10 Version 1507 to a supported and patched version of Windows 10 or later. Since no patches are currently available for this specific vulnerability, upgrading is the most reliable mitigation. In the interim, organizations should implement strict local access controls to limit the number of users with local system access and enforce the principle of least privilege. Employing endpoint detection and response (EDR) solutions to monitor for unusual privilege escalation attempts can help detect exploitation attempts early. Additionally, disabling or restricting unnecessary authentication methods that could be exploited may reduce the attack surface. Regularly auditing user accounts and permissions to ensure no unauthorized local accounts exist is critical. Network segmentation can also limit the impact of a compromised local account. Finally, organizations should stay informed about updates from Microsoft and apply security patches promptly once released.
Description
Improper validation of specified type of input in Windows Authentication Methods allows an authorized attacker to elevate privileges locally.