Vulnerability in Microsoft 365_apps
CVE-2021-27056
Microsoft PowerPoint Remote Code Execution Vulnerability
EPSS: 0.031 (86.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Microsoft 365_apps
- Microsoft 365 Apps For Enterprise — versions 16.0.1
- Microsoft Office 2019 — versions 19.0.0
- Microsoft Powerpoint 2010 Service Pack 2 — versions 13.0.0.0
- Microsoft Powerpoint 2013 Service Pack 1 — versions 14.0.0
- Microsoft Powerpoint 2016 — versions 16.0.0
- Microsoft Office — versions 2019
- Microsoft Powerpoint — versions 2010, 2013, 2016
Public proof-of-concept exploits
References
- secure@microsoft.com (Patch, x_refsource_MISC, Vendor Advisory)
- secure@microsoft.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-27056?
- CVE-2021-27056 is a high-severity vulnerability in Microsoft 365_apps. CVSS score: 7.8/10. Published 2021-03-11.
- How severe is CVE-2021-27056?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2021-27056 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.