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Microsoft EUVD-2026-29641

| CVE-2026-40359 HIGH
Use After Free (CWE-416)
2026-05-12 microsoft GHSA-whc2-9r39-wqcm
7.8
CVSS 3.1
Temporal: 6.8
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CVSS VectorNVD

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

Lifecycle Timeline

1
CVE Published
May 12, 2026 - 16:59 nvd
HIGH 7.8

DescriptionNVD

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Analysis

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

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EUVD-2026-29641 vulnerability details – vuln.today

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