CVE-2020-0787

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

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

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

CVSS v2.0 NVD

7.2 HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C

EPSS

42.52% chance of exploitation in the next 30 days, 99th percentile

CISA KEV

added 2022-01-28, used in ransomware campaigns

Published

2020-03-12

Updated

2026-08-12

Proof-of-concept exploits (3)

• http://packetstormsecurity.com/files/158056/Background-Intelligent-Transfer-Service-Privi…
• cbwang505/CVE-2020-0787-EXP-ALL-WINDOWS-VERSION722★ · 2020-09-11
• yanghaoi/CVE-2020-078734★ · 2022-02-20

Metasploit modules (1)

• rapid7/metasploit-framework/blob/master/modules/exploits/windows/local/cve_2020_0787_bits…

Exploit collections (1)

• CVE-2020-0787helloexp/0day

Security advisories

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0787

References

• CVE Record
• NVD entry

Related

• CVE-2019-0708
• CVE-2020-1066
• CVE-2021-31956
• CVE-2020-0601
• CVE-2021-44228