CVE-2026-88144

Summary

A use-after-free vulnerability in Microsoft Office PowerPoint allows remote attackers to execute arbitrary code on affected systems. This flaw occurs when the application frees memory that's still being referenced, potentially leading to code execution through crafted PowerPoint files.

Exploitability

Exploitation requires a user to open a malicious PowerPoint file, making it moderately difficult but achievable through social engineering or phishing campaigns.

Blast radius

The vulnerability affects Microsoft 365 apps, Office 2021, and Office 2024, potentially impacting thousands of users across organizations who regularly open PowerPoint files from untrusted sources.

Detection

No reliable host or network indicator is derivable from the published description.

Prioritized remediation

Deploy the Microsoft Office update KB5042847 or later to fix this vulnerability in affected Office versions.

Analysis generated locally by garnet-coder (no data left the box). AI-assisted — verify against primary sources before acting.