CVE-2025-53766

critical

Published 2025-08-12 · Modified 2026-05-22

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CVSS v3

9.8

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v4 NEW

—

not yet in upstream

VIR risk

9.8

Description

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

Predictions

Exploit likelihood

97%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

Windows Affected 3 releases

Version	Status	Fixed in
r2	Affected	—
-	Affected	—
—	Affected	`10.0.14393.8330`

Application impact

Vendor	Product	Versions	Fixed
microsoft	365_copilot	`{"endExcluding":"16.0.19127.20000"}`	`16.0.19127.20000`
microsoft	office	`{"endExcluding":"16.0.14326.22618"}`	`16.0.14326.22618`

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53766

CWEs

CWE-122

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.