Vulnerability · CVE-2025-29842
Acceptance of extraneous untrusted data with trusted data in UrlMon allows an unauthorized attacker to bypass a security feature over a network.
Published May 13, 2025 · catalog updated Feb 26, 2026 · Microsoft Windows 10 Version 1607
Check if you run it
No confirmed exploitation is on record for CVE-2025-29842. EPSS is 0.44%. Act only if a listed version of Microsoft Windows 10 Version 1607 is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- High7.5
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.44%
- Remediation
- Version ranges on file
- Affected products
- vendor Microsoft Windows 10 Version 1607 10.0.14393.0 <10.0.14393.8066
Acceptance of extraneous untrusted data with trusted data in UrlMon allows an unauthorized attacker to bypass a security feature over a network.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor Microsoft Windows 10 Version 1607 10.0.14393.0 <10.0.14393.806610.0.14393.0 <10.0.14393.8066
How to fix CVE-2025-29842
Recommended remediation
Affected version ranges suggest a fixed boundary. Verify against the vendor advisory for your release.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2025-29842. EPSS is 0.44%. Act only if a listed version of Microsoft Windows 10 Version 1607 is installed.
Which versions are affected?
Compare what you have installed with Microsoft Windows 10 Version 1607 10.0.14393.0 <10.0.14393.8066 10.0.14393.0 <10.0.14393.8066. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.44%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Technology hubs
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
May 13, 2025 · EUVD
Detected
Acceptance of extraneous untrusted data with trusted data in UrlMon allows an unauthorized attacker to bypass a security feature over a network.
Feb 26, 2026 · EUVD
Updated
Acceptance of extraneous untrusted data with trusted data in UrlMon allows an unauthorized attacker to bypass a security feature over a network.
Sources
- CVE.orgVulnerability recordCVE-2025-29842
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-29842
30-day exploitation probability 0.4%
first.org - EUVDVulnerability recordEUVD-2025-14423
Acceptance of extraneous untrusted data with trusted data in UrlMon allows an unauthorized attacker to bypass a security feature over a network.
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.