CVE-2017-0261: Microsoft Office Use-After-Free Vulnerability

CVE-2017-0261 · Severity: critical · CVSS 7.8 · Exploited in the wild · Published 2022-03-03

Microsoft Office contains a use-after-free vulnerability (CWE-416) when handling objects in memory. This flaw allows a remote attacker to execute arbitrary code on a target system if a user opens a specially crafted file.

Technologies: Microsoft Office. Vendors: Microsoft.

Quick answers

Is CVE-2017-0261 exploited in the wild?
Yes. CVE-2017-0261 is known to be exploited in the wild, first recorded on 3 March 2022. Treat it as urgent.
How severe is CVE-2017-0261?
Critical severity, with a CVSS score of 7.8, published 3 March 2022.
Which products and versions are affected?
Microsoft Office 2010 SP2; Microsoft Office 2013 SP1; Microsoft Office 2016.
Is there a fix for CVE-2017-0261?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2017-0261 attacked?
It is attacked over the network or with local access, in a network appliance.
Am I affected by CVE-2017-0261?
Check whether you run Microsoft Office. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Microsoft Office 2010 SP2
  • Microsoft Office 2013 SP1
  • Microsoft Office 2016

Timeline

  • 2017-05-12: disclosed: NVD Published Date
  • 2017-05-12: advisory: MSRC advisory published
  • 2022-03-03: kev added: Added to CISA Known Exploited Vulnerabilities Catalog

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.