CVE-2020-0938: Microsoft Windows Adobe Font Manager Library Remote Code Execution Vulnerability

CVE-2020-0938 · Severity: critical · CVSS 7.8 · Exploited in the wild · Published 2021-11-03

A remote code execution vulnerability exists in the Microsoft Windows Adobe Type Manager Library due to improper handling of specially crafted multi-master fonts in Adobe Type 1 PostScript format. On most Windows versions, successful exploitation allows full remote code execution, while on Windows 10, execution is restricted to an AppContainer sandbox context.

Technologies: Microsoft Windows. Vendors: Microsoft.

Quick answers

Is CVE-2020-0938 exploited in the wild?
Yes. CVE-2020-0938 is known to be exploited in the wild, first recorded on 3 November 2021. Treat it as urgent.
How severe is CVE-2020-0938?
Critical severity, with a CVSS score of 7.8, published 3 November 2021.
Which products and versions are affected?
Microsoft Windows 7 Service Pack 1; Microsoft Windows 8.1; Microsoft Windows RT 8.1; Microsoft Windows 10 Versions 1507, 1607, 1709, 1803, 1809, 1903, 1909; and 5 more.
Is there a fix for CVE-2020-0938?
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-2020-0938 attacked?
It is attacked with local access, in an operating system.
Am I affected by CVE-2020-0938?
Check whether you run Microsoft Windows. 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 Windows 7 Service Pack 1
  • Microsoft Windows 8.1
  • Microsoft Windows RT 8.1
  • Microsoft Windows 10 Versions 1507, 1607, 1709, 1803, 1809, 1903, 1909
  • Microsoft Windows Server 2008 Service Pack 2, R2 Service Pack 1
  • Microsoft Windows Server 2012 Gold, R2
  • Microsoft Windows Server 2016 Gold, 1803, 1903, 1909
  • Microsoft Windows Server 2019
  • Microsoft Windows Server 1803

Timeline

  • 2020-03-23: disclosed: Initial Microsoft advisory release date (implied by CVE year and KEV context)
  • 2021-11-03: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2021-11-03: disclosed: NVD publication date

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