Is CVE-2023-21715 in the CISA KEV catalog?

Yes. CVE-2023-21715 is on the CISA Known Exploited Vulnerabilities list, added 2023-02-14.

What is the CVSS severity of CVE-2023-21715?

CVE-2023-21715 has a CVSS v3 base score of 7.3 (HIGH).

What is the EPSS score for CVE-2023-21715?

CVE-2023-21715 has an EPSS score of 12.11% (96th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2023-21715

HIGHCISA KEVEPSS 96th pctl

7.3

CVSS v3

NVD

Description

Microsoft Publisher Security Feature Bypass Vulnerability

CWE-863

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

12.11%probability of exploitation in 30 days

96thpercentile

Very high risk: more likely to be exploited than 96% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Microsoft Office Publisher Security Feature Bypass Vulnerability

Microsoft Office Publisher contains a security feature bypass vulnerability that allows for a local, authenticated attack on a targeted system.

Apply updates per vendor instructions.

Remediation due: 2023-03-07

References

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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 2025-10-30.