Is CVE-2017-0261 in the CISA KEV catalog?

Yes. CVE-2017-0261 is on the CISA Known Exploited Vulnerabilities list, added 2022-03-03.

What is the CVSS severity of CVE-2017-0261?

CVE-2017-0261 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2017-0261?

CVE-2017-0261 has an EPSS score of 78.13% (100th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2017-0261

HIGHCISA KEVEPSS 100th pctl

7.8

CVSS v3

NVD

Description

Microsoft Office 2010 SP2, Office 2013 SP1, and Office 2016 allow a remote code execution vulnerability when the software fails to properly handle objects in memory, aka "Office Remote Code Execution Vulnerability". This CVE ID is unique from CVE-2017-0262 and CVE-2017-0281.

CWE-416Use After Free

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

78.13%probability of exploitation in 30 days

100thpercentile

Very high risk: more likely to be exploited than 100% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Microsoft Office Use-After-Free Vulnerability

Microsoft Office contains a use-after-free vulnerability which can allow for remote code execution.

Apply updates per vendor instructions.

Remediation due: 2022-03-24

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 2026-04-22.