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Windows 10 1809 CVE-2025-26674

HIGH
Heap-based Buffer Overflow (CWE-122)
2025-04-08 secure@microsoft.com
Microsoft Buffer Overflow Heap Overflow Windows 10 1809 Windows 10 21h2 Windows 10 22h2 Windows 11 22h2 Windows 11 23h2 Windows 11 24h2 Windows Server 2019 Windows Server 2022 Windows Server 2022 23h2 Windows Server 2025 Windows
7.8
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
7.8 HIGH
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 28, 2026 - 18:35 vuln.today
CVE Published
Apr 08, 2025 - 18:15 nvd
HIGH 7.8

DescriptionCVE.org

Heap-based buffer overflow in Windows Media allows an authorized attacker to execute code locally.

AnalysisAI

Heap-based buffer overflow in Windows Media allows an authorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-122. Heap-based buffer overflow in Windows Media allows an authorized attacker to execute code locally. Affected products include: Microsoft Windows 10 1809, Microsoft Windows 10 21H2, Microsoft Windows 10 22H2, Microsoft Windows 11 22H2, Microsoft Windows 11 23H2.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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CVE-2025-26674 vulnerability details – vuln.today
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