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CVE-2017-0261

Microsoft Office Use-After-Free

7.8 HIGHActively exploited (CISA KEV)EPSS 78.1%
  1. Published12 May 2017
  2. Added to CISA KEV3 Mar 2022
  3. Remediation due24 Mar 2022
Actively exploited (CISA KEV)

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

Added to KEV: 3 Mar 2022Federal remediation due: 24 Mar 2022

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.

CVSS 3.1 breakdown

Attack vectorLocal
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

Microsoft Office2010 · 2013 · 2016

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2017-0261 being actively exploited?

Yes. CVE-2017-0261 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 3 Mar 2022.

How severe is CVE-2017-0261?

CVE-2017-0261 has a CVSS 3.1 base score of 7.8, rated high. EPSS estimates a 78.1% probability of exploitation.

Which products are affected by CVE-2017-0261?

Affected products include Microsoft Office.

How do I fix CVE-2017-0261?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2017-0261 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.