Home

Description

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

PUBLISHED Reserved 2025-03-11 | Published 2025-05-13 | Updated 2026-02-26 | Assigner microsoft




HIGH: 7.5CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Problem types

CWE-349: Acceptance of Extraneous Untrusted Data With Trusted Data

Product status

10.0.10240.0 (custom) before 10.0.10240.21014
affected

10.0.14393.0 (custom) before 10.0.14393.8066
affected

10.0.17763.0 (custom) before 10.0.17763.7314
affected

10.0.19044.0 (custom) before 10.0.19044.5854
affected

10.0.19045.0 (custom) before 10.0.19045.5854
affected

10.0.22621.0 (custom) before 10.0.22621.5335
affected

10.0.22631.0 (custom) before 10.0.22631.5335
affected

10.0.22631.0 (custom) before 10.0.22631.5335
affected

10.0.26100.0 (custom) before 10.0.26100.4061
affected

10.0.14393.0 (custom) before 10.0.14393.8066
affected

10.0.14393.0 (custom) before 10.0.14393.8066
affected

10.0.17763.0 (custom) before 10.0.17763.7314
affected

10.0.17763.0 (custom) before 10.0.17763.7314
affected

10.0.20348.0 (custom) before 10.0.20348.3692
affected

10.0.25398.0 (custom) before 10.0.25398.1611
affected

10.0.26100.0 (custom) before 10.0.26100.4061
affected

10.0.26100.0 (custom) before 10.0.26100.4061
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2025-29842 (UrlMon Security Feature Bypass Vulnerability) vendor-advisory patch

cve.org (CVE-2025-29842)

nvd.nist.gov (CVE-2025-29842)

Download JSON