PT-2020-5271 · Microsoft · Windows Backup Engine+1

Yuki Chen · Published 2020-12-08 · Updated 2025-08-28 · CVE-2020-16959

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Windows Backup Engine (affected versions not specified)

Description The issue is related to insecure privilege management in the Windows Backup Engine component of the Windows operating system. Exploitation of this issue may allow an attacker to elevate their privileges. An elevation-of-privilege vulnerability allows attackers to affect the system.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Privilege Management

Weakness Enumeration

CWE-269

Related Identifiers

BDU:2020-05905

CVE-2020-16959

Affected Products

Windows

Windows Backup Engine

References · 35

• https://nvd.nist.gov/vuln/detail/CVE-2020-16959 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16959 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-16959 · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-05905 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2020-16959 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16959 · Security Note
• https://osv.dev/vulnerability/CVE-2020-16959 · Vendor Advisory
• https://t.me/cibsecurity/18690 · Telegram Post
• https://t.me/cibsecurity/18414 · Telegram Post
• https://t.me/cveNotify/133871 · Telegram Post
• https://t.me/cibsecurity/18542 · Telegram Post
• https://t.me/cibsecurity/18514 · Telegram Post
• https://t.me/cibsecurity/18534 · Telegram Post
• https://t.me/cibsecurity/18670 · Telegram Post
• https://t.me/cibsecurity/18422 · Telegram Post