PT-2021-2370 · Microsoft · Windows Installer+1

Abdelhamid Naceri + 1 · Published 2021-03-09 · Updated 2023-12-29 · CVE-2021-26862

Positive Technologies (AI Summary)

CVSS v2.0

7.2

High

Base vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

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

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

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

LPE

Improper Privilege Management

Link Following

Weakness Enumeration

CWE-269

CWE-59

Related Identifiers

BDU:2021-01610

CVE-2021-26862

ZDI-21-285

Affected Products

Windows

Windows Installer

References · 11

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26862 · Security Note
• https://osv.dev/vulnerability/CVE-2021-26862 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-01610 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-21-285 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-26862 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-26862 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-26862 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26862 · Vendor Advisory
• https://t.me/cvenotify/11348 · Telegram Post
• https://t.me/cibsecurity/24784 · Telegram Post
• https://t.me/cvenotify/65766 · Telegram Post