CVE-2021-41345
Storage Spaces Controller Elevation of Privilege Vulnerability
HIGH
7.8
CVSS Score
Published: October 13, 2021 at 12:28 AM UTC
Updated: June 17, 2026 at 04:08 AM UTC
18 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%
SSVC
No known exploit
Description
Storage Spaces Controller Elevation of Privilege Vulnerability
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Affected range stops below 10.0.10240.19086, so it looks safe — our inference, not a vendor statement
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
Affected range stops below 10.0.18363.1854, so it looks safe — our inference, not a vendor statement
All versions
Affected range stops below 6.3.9600.20144, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.0.19041.1288, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.2.9200.23490, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.3.9600.20144, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41345x_refsource_MISCThird Party AdvisoryVDB Entry
Source: [email protected]
https://www.zerodayinitiative.com/advisories/ZDI-21-1154/SSVC — Action Prioritization
SSVCNo known exploitNot automatableTotal impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
7.8HIGHmicrosoft
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-269CWE-190
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