CVE-2020-0787

Microsoft Windows, Microsoft Windows Server, Microsoft Windows 10 Version 1909 for 32-bit Systems

Published 12 Mar 2020 · updated 12 Aug 2026 · Analyzed

7.8 High · CVSS 3.1, NVD

Exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on 28 Jan 2022, with a remediation deadline of 28 Jul 2022 for US federal agencies. It has been used in ransomware campaigns.

Required action: Apply updates per vendor instructions.

Description

An elevation of privilege vulnerability exists when the Windows Background Intelligent Transfer Service (BITS) improperly handles symbolic links, aka 'Windows Background Intelligent Transfer Service Elevation of Privilege Vulnerability'.

References

packetstormsecurity.com/files/158056/Background-Intelligent-Transfer-Service-Privilege-Escalation.html · Exploit, Third Party Advisory, VDB Entry
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0787 · Patch, Vendor Advisory
www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-0787 · US Government Resource