CVE-2020-0787

An elevation of privilege vulnerability exists when the Windows Background Intelligent Transfer...

7.8 HighIn KEVPublic exploit

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'.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

42.5%Down 27.9 points since Apr 14, 2021

What each source reports

NVD Score used 7.8

Record: CVE-2020-0787
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0: 7.2 HighAV:L/AC:L/Au:N/C:C/I:C/A:C
Weakness: CWE-59
Updated: 2026-11-02

CVE List 7.8

Record: CVE-2020-0787
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-59
Updated: 2026-11-02

EUVDEUVD-2020-2274 7.8

Record: EUVD-2020-2274
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-2ffp-p9mj-92cf 7.8

An elevation of privilege vulnerability exists when the Windows Background Intelligent Transfer...

Record: GHSA-2ffp-p9mj-92cf
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-59, CWE-269
Updated: 2026-11-02

CISA KEV No score

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

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.

Record: CVE-2020-0787
Weakness: CWE-269, CWE-59
Updated: 2026-11-02

Affected products

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Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Metasploit	Background Intelligent Transfer Service Arbitrary File Move Privilege Elevation Vulnerability	2020-03-10
PoC in GitHub	cbwang505/CVE-2020-0787-EXP-ALL-WINDOWS-VERSION	2020-06-16
PoC in GitHub	yanghaoi/CVE-2020-0787	2021-11-16

History

History
Recorded	Changed	Sources
Nov 3, 2026	exploitation
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, CISA KEV, Metasploit, NVD, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-0787 is a high vulnerability (CVSS 7.8) in Microsoft Windows, published March 12, 2020. CISA lists it as known to be exploited, since January 28, 2022. EUVD reports exploitation since January 28, 2022. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 42.5%, the 98th percentile. No source names a fixed version.