CVEvulnerability

CVE-2020-0787

7.8 HIGH Known exploited Published 2020-03-12 Modified 2026-08-12 Official page ↗

CISA Known Exploited Vulnerability

Microsoft Windows Background Intelligent Transfer Service (BITS) Improper Privilege Management Vulnerability — Microsoft Windows

Microsoft Windows BITS is vulnerable to to a privilege elevation vulnerability if it improperly handles symbolic links. An actor can exploit this vulnerability to execute arbitrary code with system-level privileges.

Added to KEV: 2022-01-28
Remediation due: 2022-07-28
Ransomware use: Known
Required action: Apply updates per vendor instructions.
Notes: https://nvd.nist.gov/vuln/detail/CVE-2020-0787

Status: Analyzed
Published: 2020-03-12
Last modified: 2026-08-12
Assigner: [email protected]
CVSS 3.1 ([email protected]): 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0): 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected]): 7.2 HIGH — AV:L/AC:L/Au:N/C:C/I:C/A:C
Weaknesses: CWE-59

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'.

Affected configurations

• microsoft windows 10 1507 • microsoft windows 10 1607 • microsoft windows 10 1709 • microsoft windows 10 1803 • microsoft windows 10 1809 • microsoft windows 10 1903 • microsoft windows 10 1909 • microsoft windows 7 • microsoft windows 8.1 • microsoft windows rt 8.1 • microsoft windows server 1803 • microsoft windows server 1903 • microsoft windows server 1909 • microsoft windows server 2008 • microsoft windows server 2008 r2 • microsoft windows server 2012 • microsoft windows server 2012 r2 • microsoft windows server 2016 • microsoft windows server 2019

Weakness · CWE (1)

CWE-59 Improper Link Resolution Before File Access weakness

References