CVE-2025-30388

Heap-based buffer overflow in Windows Win32K - GRFX allows an unauthorized attacker to execute code locally.

high 7.8 CVSS 3.1
Published: May 13, 2025
Modified: May 22, 2026
Vendor: Microsoft
Product: 365 Copilot
Versions: 2021,2024,r2

Description

Heap-based buffer overflow in Windows Win32K - GRFX allows an unauthorized attacker to execute code locally.

References

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