VulnerabilityModified
CVE-2021-31176
Microsoft Office Remote Code Execution Vulnerability
HIGH 7.8EPSS 3.05%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.05%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Microsoft Office Remote Code Execution Vulnerability
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 3.05% probability · 87th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- microsoft/365 apps · microsoft/office · microsoft/office online server · microsoft/office web apps server
- Source
- secure@microsoft.com
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31176Patch, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-575/Third Party Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31176Patch, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-575/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.