PT-2021-3828 · Microsoft · Windows

Kpc + 3 · Published 2021-08-10 · Updated 2025-12-16 · CVE-2021-34536

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 Microsoft Windows (affected versions not specified)

Description The issue is related to an elevation-of-privilege vulnerability in the Storage Spaces Controller, which is associated with insufficient access restrictions. This vulnerability can be exploited to allow an attacker to elevate their privileges.

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

LPE

Integer Overflow

Weakness Enumeration

CWE-190

CWE-264

Related Identifiers

BDU:2021-04158

CVE-2021-34536

ZDI-21-967

Affected Products

Windows

References · 10

• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-34536 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-04158 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34536 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-34536 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-21-967 · Security Note
• https://osv.dev/vulnerability/CVE-2021-34536 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-34536 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34536 · Security Note
• https://t.me/cveNotify/145984 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2021081037 · Note