CVE-2021-31177

high-risk
Published 2021-05-11

Microsoft Office Remote Code Execution Vulnerability

Do I need to act?

!
14.0% chance of exploitation in next 30 days
EPSS score — higher than 86% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10 High
LOCAL / LOW complexity

Affected Products (13)

Affected Vendors

Microsoft

References (4)

Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-3117...
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-21-576/
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-3117...
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-21-576/
53
/ 100
high-risk
Severity 24/34 · High
Exploitability 12/34 · Low
Exposure 17/34 · Moderate