CVE-2026-70316: Powerpoint Information Disclosure Vulnerability
Improper input validation in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information locally.
CSIRTS triage
- What
- Improper input validation in Microsoft Office PowerPoint allows unauthorized local information disclosure.
- Who is affected
- Microsoft PowerPoint users are affected.
- Urgency
- Moderate—CVSS 5.5 information disclosure requiring local access.
- Action
- Apply patches for CVE-2026-70316 to Microsoft PowerPoint.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70316
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-703160.38% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 31% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-70316 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
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