EUVD-2026-22571

| CVE-2026-32190 HIGH
2026-04-14 microsoft GHSA-mwrw-28vj-pp5f
Denial Of Service Use After Free Memory Corruption Microsoft Microsoft 365 Apps For Enterprise Microsoft Office 2016 Microsoft Office 2019 Microsoft Office Ltsc 2021 Microsoft Office Ltsc 2024 Microsoft Office Ltsc For Mac 2021 Microsoft Office Ltsc For Mac 2024
8.4
CVSS 3.1
Temporal: 7.3
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CVSS VectorNVD

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

Lifecycle Timeline

1
Analysis Generated
Apr 14, 2026 - 19:34 vuln.today

DescriptionNVD

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

AnalysisAI

Use-after-free memory corruption in Microsoft Office (versions 2016 through LTSC 2024, including Microsoft 365 Apps for Enterprise) enables local code execution with no authentication or user interaction required. Attackers with local system access can execute arbitrary code with high impact to confidentiality, integrity, and availability (CVSS 8.4). …

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RemediationAI

Within 24 hours: Identify all systems running Microsoft Office 2016, 2019, 2021, LTSC 2024, or Microsoft 365 Apps for Enterprise; prioritize servers and workstations with sensitive data access. Within 7 days: Deploy vendor-released patch from Microsoft Security Response Center to all affected Office versions; test in staging environment first to validate compatibility. …

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EUVD-2026-22571 vulnerability details – vuln.today
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