CVE-2025-29842

HIGHNVD 7.57.5—Trending — 4 sources updated this week

7.5

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

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 41.8%
KEV: Not listed

Published

May 13, 2025

Last Modified

May 19, 2025

References (1)

secure@microsofthttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-29842

Vendor Advisories for CVE-2025-29842(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

CVE-2025-29842
Microsoft Security Response Center (MSRC)High
UrlMon Security Feature Bypass Vulnerability

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 11× in last 7d / 11× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-30 05:36 UTCEG score recompute
2026-05-30 05:36 UTCVendor advisory
2026-05-30 05:36 UTCGHSA enrichment
2026-05-29 13:44 UTCepss_batch

Frequently asked(5)

What is CVE-2025-29842?

CVE-2025-29842 is a high vulnerability published on May 13, 2025. Acceptance of extraneous untrusted data with trusted data in UrlMon allows an unauthorized attacker to bypass a security feature over a network.

When was CVE-2025-29842 disclosed?

CVE-2025-29842 was first published in the National Vulnerability Database on May 13, 2025, with the most recent update on May 19, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-29842 actively exploited?

CVE-2025-29842 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 41.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-29842?

CVE-2025-29842 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2025-29842?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-29842, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-29842

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CVE-2025-29842

Published

Last Modified

References (1)

Vendor Advisories for CVE-2025-29842(1)

Weakness Classification(2)

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2025-29842?

Same vendor

Same CWE

CVE-2025-29842

📅 Published

🔄 Last Modified

🔗 References (1)

📣 Vendor Advisories for CVE-2025-29842(1)

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2025-29842?

🔗 Related CVEs(same vendor + same CWE)

Same vendor

Same CWE

Published

Last Modified

References (1)

Vendor Advisories for CVE-2025-29842(1)

Frequently asked(5)

Related CVEs(same vendor + same CWE)