Summary
Impact: Remote Code Execution. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
Is the Preview Pane an attack vector for this vulnerability?
No, the Preview Pane is not an attack vector.
How could an attacker exploit this vulnerability?
An attacker could send a specially crafted PowerPoint presentation containing malicious linked media to a target user. The user would need to open the presentation, start the slideshow, and allow the linked content. Successful exploitation could allow the attacker to execute code on the user's system. Authentication is not required.
Security updates
16.0.20326.20138 — https://docs.microsoft.com/en-us/officeupdates/office365-proplus-security-updates
Vulnerabilities 1
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High 8.8
Microsoft Office PowerPoint Remote Code Execution Vulnerability
Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to execute code over a network.
Revision history
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#1
Information published.
References
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CVE-2026-80081 Microsoft Office PowerPoint Remote Code Execution Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-80081
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Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
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Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
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Common Vulnerability Scoring System
https://www.first.org/cvss