CVE-2026-50303
Windows Key Guard Security Feature Bypass vulnerability
MSRC advisory July 14, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-50303
- Affected products
- Windows Key Guard Security Feature Bypass · Microsoft Windows Key Guard Security Feature Bypass · Microsoft
What happened
Use of a cryptographic primitive with a risky implementation in Windows Key Guard allows an authorized attacker to bypass a security feature locally.
What it means for your business
Windows Key Guard Security Feature Bypass vulnerability (CVE-2026-50303) was added to Microsoft’s security update guidance. Use of a cryptographic primitive with a risky implementation in Windows Key Guard allows an authorized attacker to bypass a security feature locally. If you need help checking exposure, call (864) 335-9223.
Sources
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