CVE-2026-70312: Powerpoint Information Disclosure Vulnerability
Improper input validation in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information locally.
Other sources
Powerpoint Information Disclosure 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 16.112.26081010 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in https://aka.ms/OfficeSecurityReleases
Event History
Frequently Asked Questions
What is the severity of CVE-2026-70312?
The severity of CVE-2026-70312 is rated as medium with a score of 5.5.
What type of vulnerability is CVE-2026-70312?
CVE-2026-70312 is an information disclosure vulnerability due to improper input validation.
Which software is affected by CVE-2026-70312?
CVE-2026-70312 affects Microsoft 365 Apps for Enterprise, Microsoft Office PowerPoint, Microsoft Office LTSC for Mac 2024, and other variants of Microsoft Office.
How can I mitigate the risk of CVE-2026-70312?
To mitigate the risk of CVE-2026-70312, ensure that your Microsoft Office applications are updated to the latest version.
Does CVE-2026-70312 allow remote exploitation?
CVE-2026-70312 does not allow remote exploitation, as it requires local access for an unauthorized attacker to disclose information.