CVE-2021-40489

Storage Spaces Controller Elevation of Privilege Vulnerability

HIGH
7.8
CVSS Score
Published: October 13, 2021 at 12:27 AM UTC
Updated: June 17, 2026 at 04:07 AM UTC
20 products affected across 1 vendorWindows Server 2016Windows Server 2019Windows Server 2012

Using Windows 10 Version 1809 by Microsoft?

Get instant alerts when new vulnerabilities affect Windows 10 Version 1809 - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
HIGH7.8
Exploit prediction
EPSS 0.8%

Description

Storage Spaces Controller Elevation of Privilege Vulnerability

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

10.0.0 ≤ v < 10.0.10240.1908610.0.010.0.10240.19086
Affected range stops below 10.0.10240.19086, so it looks safe — our inference, not a vendor statement
10.0.0 ≤ v < 10.0.14393.470410.0.010.0.14393.4704
Affected range stops below 10.0.14393.4704, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.0.17763.2237, so it looks safe — our inference, not a vendor statement
10.0.0 ≤ v < 10.0.18363.185410.0.010.0.18363.1854
Affected range stops below 10.0.18363.1854, so it looks safe — our inference, not a vendor statement
All versions
6.1.0 ≤ v < 6.1.7601.257406.1.06.1.7601.25740sp1
Affected range stops below 6.1.7601.25740, so it looks safe — our inference, not a vendor statement
6.3.0 ≤ v < 6.3.9600.201446.3.06.3.9600.20144
Affected range stops below 6.3.9600.20144, so it looks safe — our inference, not a vendor statement
10.0.0 ≤ v < 10.0.19041.128810.0.010.0.19041.1288
Affected range stops below 10.0.19041.1288, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

7.8HIGHmicrosoft
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-269

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card