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 · corrected/updated Feb 26, 2026 · Microsoft Windows 10 Version 1607 · evidence confidence high
Acceptance of extraneous untrusted data with trusted data in UrlMon allows an unauthorized attacker to bypass a security feature over a network.
Grounded briefings
Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.
Executive
CVE-2025-29842 is a high public vulnerability record for Microsoft Windows 10 Version 1607. It is not currently listed in the CISA Known Exploited catalog. Check the linked vendor or CERT advisories for patch status. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.
System administrator
Identify whether Microsoft Windows 10 Version 1607 is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: Microsoft Windows 10 Version 1607 10.0.14393.0 <10.0.14393.8066 (10.0.14393.0 <10.0.14393.8066). Check the linked vendor or CERT advisories for patch status. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.
Security analyst
Signals on file: CVSS 7.5, EPSS 44.0%. It is not currently listed in the CISA Known Exploited catalog. Sources contributing to this record: cve_org, euvd. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.
Exploitation and remediation
Exploitation evidence
Not listed as known exploited in CISA KEV. Not in CISA KEV or VulnCheck KEV.
Patch and remediation
No required-action text is stored yet. Use the vendor or CERT links in Sources for patch availability.
Safe detection guidance
Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.
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.
Affected
- vendor Microsoft Windows 10 Version 1607 10.0.14393.0 <10.0.14393.806610.0.14393.0 <10.0.14393.8066
Sources
- CVE.orgVulnerability recordCVE-2025-29842
Official CVE identifier
cve.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