CVE-2020-1020

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.

Affected

Microsoft · Windows · Windows Server · Windows 10 Version 1909 for 32-bit Systems · Windows 10 Version 1909 for x64-based Systems · Windows 10 Version 1909 for ARM64-based Systems · Windows Server, version 1909 (Server Core installation)

CVSS v3.1 NVD

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

CVSS v2.0 NVD

6.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P

EPSS

65.04% chance of exploitation in the next 30 days, 99th percentile

CISA KEV

added 2021-11-03

Published

2020-04-15

Updated

2025-10-21

Proof-of-concept exploits (2)

• CrackerCat/CVE-2020-1020-Exploit2★ · 2021-05-18
• KaLendsi/CVE-2020-102010★ · 2021-08-10

Security advisories

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1020

References

• CVE Record
• NVD entry

Related

• CVE-2019-1096
• CVE-2019-2107
• CVE-2019-2215
• CVE-2020-0601
• CVE-2020-11492
• CVE-2020-3187