CVE-2026-88207: Microsoft Office PowerPoint Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code over a network.
Other sources
Microsoft Office PowerPoint Remote Code Execution Vulnerability
— 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 https://aka.ms/OfficeSecurityReleases - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.17932.21056 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.14334.20974
Event History
Frequently Asked Questions
What does an attacker need to exploit this vulnerability?
Exploitation is network-based and does not require attacker privileges, but it requires user interaction. The available data does not specify the exact form of interaction required.
Which environments should be included in triage?
Include Microsoft 365 Apps for Enterprise, Microsoft Office PowerPoint, Office LTSC 2024 in 32-bit and 64-bit editions, Office LTSC 2021 for 64-bit editions, Office 365 for Mac, and Office LTSC for Mac 2021 and 2024.
What is the potential impact if exploitation succeeds?
An unauthorized attacker may execute code. The supplied severity vector indicates high potential impact to confidentiality, integrity, and availability.