CVE-2020-1020
Microsoft Windows, Microsoft Windows Server, Microsoft Windows 10 Version 1909 for 32-bit Systems
Published 15 Apr 2020 · updated 17 Jun 2026 · Analyzed
Exploited in the wild
CISA added this to its Known Exploited Vulnerabilities catalog on 3 Nov 2021, with a remediation deadline of 3 May 2022 for US federal agencies.
Required action: Apply updates per vendor instructions.
Description
A remote code execution vulnerability exists in Microsoft Windows when the Windows Adobe Type Manager Library improperly handles a specially-crafted multi-master font - Adobe Type 1 PostScript format.For all systems except Windows 10, an attacker who successfully exploited the vulnerability could execute code remotely, aka 'Adobe Font Manager Library Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-0938.
References
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1020 · Patch, Vendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-1020 · US Government Resource