PT-2021-2421 · Microsoft · Windows Storage Spaces Controller+1

Kkokkokye + 1 · Published 2021-03-09 · Updated 2026-03-10 · CVE-2021-26880

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 Storage Spaces Controller (affected versions not specified)

Description: The issue is related to an elevation-of-privilege vulnerability in the Storage Spaces Controller driver for Windows operating systems. This vulnerability is associated with insecure privilege management. Exploitation of the vulnerability could 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.

Improper Privilege Management

Weakness Enumeration

CWE-269

Related Identifiers

BDU:2021-01673

CVE-2021-26880

Affected Products

Windows

Windows Storage Spaces Controller

References · 8

• https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-26880 · Vendor Advisory
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26880 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-26880 · Security Note
• https://bdu.fstec.ru/vul/2021-01673 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26880 · Security Note
• https://osv.dev/vulnerability/CVE-2021-26880 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-26880 · Vendor Advisory
• https://t.me/cibsecurity/24790 · Telegram Post