CVE-2025-26635

MEDIUMNVD 6.56.5—Trending — 4 sources updated this week

6.5

Weak authentication in Windows Hello allows an authorized attacker to bypass a security feature over a network.

CVSS v3: 6.5
EG Score: 6.5(medium)
EPSS: 45.9%
KEV: Not listed

Published

April 8, 2025

Last Modified

July 3, 2025

References (1)

secure@microsofthttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-26635

Weakness Classification(1)

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

CWE-1390

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Microsoft MSRCCVE-2025-266352025-04-08
Windows Hello Security Feature Bypass Vulnerability

Data Freshness Timeline

(refreshed 12× in last 7d / 12× 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
2026-06-02 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 07:53 UTCEG score recompute
2026-05-30 07:53 UTCVendor advisory
2026-05-30 07:53 UTCGHSA enrichment
2026-05-29 13:44 UTCepss_batch

Frequently asked(5)

What is CVE-2025-26635?

CVE-2025-26635 is a medium vulnerability published on April 8, 2025. Weak authentication in Windows Hello allows an authorized attacker to bypass a security feature over a network.

When was CVE-2025-26635 disclosed?

CVE-2025-26635 was first published in the National Vulnerability Database on April 8, 2025, with the most recent update on July 3, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-26635 actively exploited?

CVE-2025-26635 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 45.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-26635?

CVE-2025-26635 has a CVSS v3 base score of 6.5 (NVD).

How do I remediate CVE-2025-26635?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-26635, 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-2025-26635

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