High severity7.8NVD Advisory· Published Jun 9, 2026· Updated Jun 9, 2026
CVE-2026-44803
CVE-2026-44803
Description
Integer overflow or wraparound in Windows Win32K - GRFX allows an unauthorized attacker to execute code locally.
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
1News mentions
2- Microsoft June 2026 Patch Tuesday fixes 3 zero-day, 200 flawsBleepingComputer · Jun 9, 2026
- Microsoft Patch Tuesday June 2026 – 198 Vulnerabilities Fixed, Including 3 Zero-daysCyber Security News · Jun 9, 2026