OnlyFm252
Windows Storage

CVE-2022-21875 — Windows Storage Elevation of Privilege Vulnerability

Important CVSS 7.8 EPSS 0.00678 2022-01 archive

Executive Summary

None

Overview

7.8
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Elevation of Privilege
Released Jan 11 2022
Last Updated Jan 11 2022
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.00678 — 0.4743 percentile
NVD CVSS 7.8 HIGH — differs from MSRC

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
ATTACK VECTOR
Local
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
Low
USER INTERACTION
None
SCOPE
Unchanged
CONFIDENTIALITY
High
INTEGRITY
High
AVAILABILITY
High
EXPLOIT CODE MATURITY
Unproven
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 6.1

EPSS Score

0.00678
probability of exploitation in the next 30 days
0.4743 percentile - updated 2026-06-21
View on FIRST.org

Affected Products

26 affected products
Product KB Article Severity Impact Restart Required
Windows 10 for 32-bit Systems 5009585 (Security Update) Important Elevation of Privilege Yes
Windows 10 for x64-based Systems 5009585 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1607 for 32-bit Systems 5009546 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1607 for x64-based Systems 5009546 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1809 for 32-bit Systems 5009557 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1809 for ARM64-based Systems 5009557 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1809 for x64-based Systems 5009557 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1909 for 32-bit Systems 5009545 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1909 for ARM64-based Systems 5009545 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1909 for x64-based Systems 5009545 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 20H2 for 32-bit Systems 5009543 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 20H2 for ARM64-based Systems 5009543 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 21H1 for 32-bit Systems 5009543 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 21H1 for ARM64-based Systems 5009543 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 21H1 for x64-based Systems 5009543 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 21H2 for 32-bit Systems 5009543 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 21H2 for ARM64-based Systems 5009543 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 21H2 for x64-based Systems 5009543 (Security Update) Important Elevation of Privilege Yes
Windows 8.1 for 32-bit systems 5009624 (Monthly Rollup) 5009595 (Security Only) Important Elevation of Privilege 5008263 Base: 7.0 Temporal: 6.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.3.9600.20246 Yes 5009624 5009595 Windows 8.1 for x64-based systems 5009624 (Monthly Rollup) 5009595 (Security Only) Important Elevation of Privilege 5008263 Base: 7.0 Temporal: 6.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.3.9600.20246 Yes 5009624 5009595 Windows RT 8.1 5009624 (Monthly Rollup) Important Elevation of Privilege Yes
Windows Server 2012 5009586 (Monthly Rollup) 5009619 (Security Only) Important Elevation of Privilege 5008277 Base: 7.0 Temporal: 6.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.2.9200.23584 Yes 5009586 5009619 Windows Server 2012 (Server Core installation) 5009586 (Monthly Rollup) 5009619 (Security Only) Important Elevation of Privilege 5008277 Base: 7.0 Temporal: 6.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.2.9200.23584 Yes 5009586 5009619 Windows Server 2012 R2 5009624 (Monthly Rollup) 5009595 (Security Only) Important Elevation of Privilege 5008263 Base: 7.0 Temporal: 6.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.3.9600.20246 Yes 5009624 5009595 Windows Server 2012 R2 (Server Core installation) 5009624 (Monthly Rollup) 5009595 (Security Only) Important Elevation of Privilege 5008263 Base: 7.0 Temporal: 6.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.3.9600.20246 Yes 5009624 5009595 Windows Server 2016 5009546 (Security Update) Important Elevation of Privilege Yes
Windows Server 2016 (Server Core installation) 5009546 (Security Update) Important Elevation of Privilege Yes
Windows Server 2019 5009557 (Security Update) Important Elevation of Privilege Yes
Windows Server 2019 (Server Core installation) 5009557 (Security Update) Important Elevation of Privilege Yes
Windows Server 2022 5009555 (Security Update) Important Elevation of Privilege Yes
Windows Server 2022 (Server Core installation) 5009555 (Security Update) Important Elevation of Privilege Yes
Windows Server, version 20H2 (Server Core Installation) 5009543 (Security Update) Important Elevation of Privilege Yes

Patches

7 patches
Article Type Restart
5009585 Security Update Yes
5009546 Security Update Yes
5009557 Security Update Yes
5009545 Security Update Yes
5009543 Security Update Yes
5009624 Monthly Rollup Yes
5009555 Security Update Yes

Known Exploits

Acknowledgments

None

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