CVE-2025-29842 — Acceptance of Extraneous Untrusted Data With Trusted Data in Microsoft Windows 10 Version 1507

CWE-349 — Acceptance of Extraneous Untrusted Data With Trusted DataCWE-345 — Insufficient Verification of Data Authenticity5 documents5 sources
Severity
7.5HIGHNVD
EPSS
0.2%
top 56.96%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
22
Microsoft Windows 10 Version 1507Microsoft Windows 10 Version 1607Microsoft Windows 10 Version 1809+19 more
Timeline
PublishedMay 13

Description

Acceptance of extraneous untrusted data with trusted data in UrlMon allows an unauthorized attacker to bypass a security feature over a network.

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 1.6 | Impact: 5.9

Affected Packages22 packages

▶NVDmicrosoft/windows< 10.0.14393.8066+4
▶NVDmicrosoft/windows_10_1507< 10.0.10240.21014
▶NVDmicrosoft/windows_10_1607< 10.0.14393.8066
▶NVDmicrosoft/windows_10_1809< 10.0.17763.7314
▶NVDmicrosoft/windows_10_21h2< 10.0.19044.5854

🔴Vulnerability Details

2
CVEList
UrlMon Security Feature Bypass Vulnerability↗2025-05-13
▶
GHSA
GHSA-cq8m-2x25-mgg8: Acceptance of extraneous untrusted data with trusted data in UrlMon allows an unauthorized attacker to bypass a security feature over a network↗2025-05-13
▶

📋Vendor Advisories

1
Microsoft
UrlMon Security Feature Bypass Vulnerability↗2025-05-13
▶

🕵️Threat Intelligence

1
Bleepingcomputer
Microsoft May 2025 Patch Tuesday fixes 5 exploited zero-days, 72 flaws↗2025-05-13
▶
CVE-2025-29842 — Microsoft vulnerability | cvebase