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CRITICAL · 9.8

CVE-2025-53766

Heap-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code over a network.

Vulnerability Description

Heap-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code over a network.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
MicrosoftOffice< 16.0.14326.22618
MicrosoftWindows 10 1507< 10.0.10240.21100
MicrosoftWindows 10 1607< 10.0.14393.8330
MicrosoftWindows 10 1809< 10.0.17763.7678
MicrosoftWindows 10 21H2< 10.0.19044.6216
MicrosoftWindows 10 22H2< 10.0.19045.6216
MicrosoftWindows 11 22H2< 10.0.22621.5768
MicrosoftWindows 11 23H2< 10.0.22631.5768
MicrosoftWindows 11 24H2< 10.0.26100.4851
MicrosoftWindows Server 2008-
MicrosoftWindows Server 2012-
MicrosoftWindows Server 2016< 10.0.14393.8330
MicrosoftWindows Server 2019< 10.0.17763.7678
MicrosoftWindows Server 2022< 10.0.20348.3989
MicrosoftWindows Server 2022 23H2< 10.0.25398.1791
MicrosoftWindows Server 2025< 10.0.26100.4851

Related Weaknesses (CWE)

CWE-122

References

FAQ

What is CVE-2025-53766?

CVE-2025-53766 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Heap-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code over a network.

How severe is CVE-2025-53766?

CVE-2025-53766 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2025-53766?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Office, Microsoft Windows 10 1507, Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21H2.