cve-2026-40403

  1. CVE-2026-40403 Win32K GRFX RCE: Patch the May 2026 Windows Graphics Bug

    Microsoft disclosed CVE-2026-40403 on May 12, 2026, as a critical Windows Graphics Component remote code execution vulnerability in Win32K-GRFX, caused by a heap-based buffer overflow that could let a low-privileged authenticated attacker escape a contained local environment such as a guest...