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

CVE-2025-53766

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

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

CRITICAL · CVSS 9.8 EPSS 0.02815
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules8 YARA rules0
⬡

Weakness Classification

CWE-122Heap-based Buffer Overflow
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Affected Products & Versions

17
microsoft office< 16.0.14326.22618
microsoft office< 16.0.19127.20000
microsoft windows 10 1507< 10.0.10240.21100
microsoft windows 10 1607< 10.0.14393.8330
microsoft windows 10 1809< 10.0.17763.7678
microsoft windows 10 21h2< 10.0.19044.6216
microsoft windows 10 22h2< 10.0.19045.6216
microsoft windows 11 22h2< 10.0.22621.5768
◈

Sigma Hunt Rules

8
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighSuspicious Microsoft Office Child Process - MacOS
producthighCode Executed Via Office Add-in XLL File
producthighPotential Persistence Via Microsoft Office Add-In
producthighPotential Persistence Via Microsoft Office Startup Folder
producthighFile With Uncommon Extension Created By An Office Application
producthighOffice Macro File Creation From Suspicious Process
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Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · secure@microsoft.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD12 Aug 2025 · 06:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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Vendor Advisories

1
msrcCVE-2025-53766Remote Code Execution
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