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2963 articles · 110875 vulns · 36/41 feeds (7d)
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6.7
CVE-2026-0390PATCHED
Microsoft · Windows 10 Version 1607

UEFI Secure Boot Security Feature Bypass Vulnerability

Description

Reliance on untrusted inputs in a security decision in Windows Boot Loader allows an authorized attacker to bypass a security feature locally.

Affected Products

VendorProductVersions
MicrosoftWindows 10 Version 160710.0.14393.0, 10.0.17763.0, 10.0.19044.0, 10.0.19045.0, 10.0.14393.0, 10.0.14393.0, 10.0.17763.0, 10.0.17763.0, 10.0.20348.0

Also Affects

Downstream vendors/products affected by this vulnerability

VendorProductSourceConfidence
microsoftwindows 10 version 22h2mitre_affected90%
microsoftwindows server 2019 (server core installation)mitre_affected90%
microsoftwindows 10 version 21h2mitre_affected90%
microsoftwindows server 2016 (server core installation)mitre_affected90%
microsoftwindows 10 versionmitre_affected90%

References

  • https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-0390(vendor-advisory, patch)

Related News (3 articles)

Tier C
Qualys Blog4h ago
Microsoft and Adobe Patch Tuesday, April 2026 Security Update Review
→ No new info (linked only)
Tier C
VulDB7h ago
CVE-2026-0390 | Microsoft Windows up to Server 2022 UEFI Secure Boot reliance on untrusted inputs in a security decision
→ No new info (linked only)
Tier A
Microsoft MSRC11h ago
CVE-2026-0390 UEFI Secure Boot Security Feature Bypass Vulnerability
→ No new info (linked only)
CVSS 3.16.7 MEDIUM
VectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CISA KEV❌ No
Actively exploited❌ No
Patch available
10.0.14393.906010.0.17763.864410.0.19044.718410.0.19045.718410.0.20348.5020
CWECWE-807
PublishedApr 14, 2026
Last enriched7h agov2
Tags
CVE-2026-0390
Trending Score43
Source articles3
Independent3
Info Completeness9/14
Missing: epss, kev, exploit, iocs, mitre_attack

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Verification

State: verified
Confidence: 0%

Vulnerability Timeline

CVE Published
Apr 14, 2026
Discovered by ZDM
Apr 14, 2026
Updated: tags
Apr 14, 2026
Patch Available
Apr 14, 2026

Version History

v2
Last enriched 7h ago
v2Tier C7h ago

Updated severity to CRITICAL, added new description, and included CVE-2026-0390 as a tag.

tags
via VulDB
v17h ago

Initial creation