CVE-2026-70313
Microsoft PowerPoint Remote Code Execution Vulnerability
Improper input validation in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information locally.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Microsoft PowerPoint Remote Code Execution Vulnerability
Improper input validation in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information locally.
- Record
CVE-2026-70313- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Weakness
- CWE-20
- Updated
- 2026-11-02
EUVDEUVD-2026-56569
Improper input validation in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information locally.
- Record
EUVD-2026-56569- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-vwwc-p79j-c5jm
Improper input validation in Microsoft Office PowerPoint allows an unauthorized attacker to...
Improper input validation in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information locally.
- Record
GHSA-vwwc-p79j-c5jm- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
NVD
Improper input validation in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information locally.
- Record
CVE-2026-70313- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-70313 is a high vulnerability (CVSS 7.8) in Microsoft 365 Apps, published August 11, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.47%, the 40th percentile. No source names a fixed version.