VulnerabilityModified

CVE-2021-34469

Microsoft Office Security Feature Bypass Vulnerability

HIGH 8.2EPSS 3.67%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (3.67%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Microsoft Office Security Feature Bypass Vulnerability

CVSS 3.1: 8.2 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
EPSS: 3.67% probability · 89th percentile
CISA KEV: Not listed
Affected: microsoft/365 apps · microsoft/office
Source: secure@microsoft.com

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34469
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34469Patch, Vendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.