CVE-2026-88178: Microsoft Office PowerPoint Remote Code Execution Vulnerability
Microsoft Office PowerPoint Remote Code Execution Vulnerability
Other sources
Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to execute code over a network.
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.14334.20974 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in https://aka.ms/OfficeSecurityReleases - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.17932.21056
Event History
Frequently Asked Questions
What level of access does an attacker need to exploit this issue?
The severity vector indicates that exploitation is network-accessible, requires low attack complexity, and does not require privileges or user interaction.
Which Office deployments should be included in remediation scope?
The affected software list includes Microsoft 365 Apps for Enterprise; Microsoft Office 365 for Mac; Office LTSC 2021 for 32-bit and 64-bit editions; Office LTSC 2024 for 32-bit and 64-bit editions; and Office LTSC for Mac 2021 and 2024.