CVE-2026-70320: 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 https://aka.ms/OfficeSecurityReleases - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.112.26081010
Event History
Frequently Asked Questions
What is the severity of CVE-2026-70320?
CVE-2026-70320 is classified with a medium severity score of 5.5.
How do I fix CVE-2026-70320?
To fix CVE-2026-70320, ensure that your Microsoft Office applications are updated to the latest version.
What software is affected by CVE-2026-70320?
CVE-2026-70320 affects Microsoft 365 Apps for Enterprise, Microsoft Office LTSC editions for 2021 and 2024, and Microsoft Office 2019.
What type of vulnerability is CVE-2026-70320?
CVE-2026-70320 is categorized as an information disclosure vulnerability due to improper input validation.
Can CVE-2026-70320 be exploited remotely?
CVE-2026-70320 requires local access, as it cannot be exploited remotely.