Is CVE-2021-34469 in the CISA KEV catalog?

No. CVE-2021-34469 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-34469?

CVE-2021-34469 has a CVSS v3 base score of 8.2 (HIGH).

What is the EPSS score for CVE-2021-34469?

CVE-2021-34469 has an EPSS score of 3.34% (87th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-34469?

Install KB5001983 for Microsoft Office 2013 RT Service Pack 1. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2021-34469

HIGHEPSS 87th pctl

8.2

CVSS v3

NVD

Description

Microsoft Office Security Feature Bypass Vulnerability

How to fix

Remediation Available

Microsoft Office 2013 RT Service Pack 1Microsoft

Install:KB5001983

Microsoft Office 2013 Service Pack 1Microsoft

Install:KB5001983Microsoft

Microsoft Office 2016Microsoft

Install:KB5001979Microsoft

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeChanged

Impact

ConfidentialityHigh

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N

Exploit Intelligence

3.34%probability of exploitation in 30 days

87thpercentile

Elevated risk: more likely to be exploited than 87% of all known CVEs.

References

Patch1

portal.msrc.microsoft.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.