OnlyFm252
Windows Secure Boot

CVE-2023-28251 — Windows Driver Revocation List Security Feature Bypass Vulnerability

Important CVSS 5.5 EPSS 0.00451 2023-05 archive

Executive Summary

None

Overview

5.5
CVSS MEDIUM
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Security Feature Bypass
Released May 9 2023
Last Updated May 9 2023
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.00451 — 0.3573 percentile
NVD CVSS 5.5 MEDIUM — matches MSRC

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C
ATTACK VECTOR
Local
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
Low
USER INTERACTION
None
SCOPE
Unchanged
CONFIDENTIALITY
None
INTEGRITY
High
AVAILABILITY
None
EXPLOIT CODE MATURITY
Unproven
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 4.8

EPSS Score

0.00451
probability of exploitation in the next 30 days
0.3573 percentile - updated 2026-06-21
View on FIRST.org

Affected Products

23 affected products
Product KB Article Severity Impact Restart Required
Windows 10 for 32-bit Systems 5026382 (Security Update) Important Security Feature Bypass Yes
Windows 10 for x64-based Systems 5026382 (Security Update) Important Security Feature Bypass Yes
Windows 10 Version 1607 for 32-bit Systems 5026363 (Security Update) Important Security Feature Bypass Yes
Windows 10 Version 1607 for x64-based Systems 5026363 (Security Update) Important Security Feature Bypass Yes
Windows 10 Version 1809 for 32-bit Systems 5026362 (Security Update) Important Security Feature Bypass Yes
Windows 10 Version 1809 for ARM64-based Systems 5026362 (Security Update) Important Security Feature Bypass Yes
Windows 10 Version 1809 for x64-based Systems 5026362 (Security Update) Important Security Feature Bypass Yes
Windows 10 Version 20H2 for 32-bit Systems 5026361 (Security Update) Important Security Feature Bypass Yes
Windows 10 Version 20H2 for ARM64-based Systems 5026361 (Security Update) Important Security Feature Bypass Yes
Windows 10 Version 21H2 for 32-bit Systems 5026361 (Security Update) Important Security Feature Bypass Yes
Windows 10 Version 21H2 for ARM64-based Systems 5026361 (Security Update) Important Security Feature Bypass Yes
Windows 10 Version 21H2 for x64-based Systems 5026361 (Security Update) Important Security Feature Bypass Yes
Windows 10 Version 22H2 for 32-bit Systems 5026361 (Security Update) Important Security Feature Bypass Yes
Windows 10 Version 22H2 for ARM64-based Systems 5026361 (Security Update) Important Security Feature Bypass Yes
Windows 10 Version 22H2 for x64-based Systems 5026361 (Security Update) Important Security Feature Bypass Yes
Windows 11 version 21H2 for ARM64-based Systems 5026368 (Security Update) Important Security Feature Bypass Yes
Windows 11 version 21H2 for x64-based Systems 5026368 (Security Update) Important Security Feature Bypass Yes
Windows 11 Version 22H2 for ARM64-based Systems 5026372 (Security Update) Important Security Feature Bypass Yes
Windows 11 Version 22H2 for x64-based Systems 5026372 (Security Update) Important Security Feature Bypass Yes
Windows Server 2008 for 32-bit Systems Service Pack 2 5026408 (Monthly Rollup) 5026427 (Security Only) Important Security Feature Bypass 5025271 Base: 5.5 Temporal: 4.8 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C 6.0.6003.22070 Yes 5026408 5026427 Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) 5026408 (Monthly Rollup) 5026427 (Security Only) Important Security Feature Bypass 5025271 Base: 5.5 Temporal: 4.8 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C 6.0.6003.22070 Yes 5026408 5026427 Windows Server 2008 for x64-based Systems Service Pack 2 5026408 (Monthly Rollup) 5026427 (Security Only) Important Security Feature Bypass 5025271 Base: 5.5 Temporal: 4.8 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C 6.0.6003.22070 Yes 5026408 5026427 Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) 5026408 (Monthly Rollup) 5026427 (Security Only) Important Security Feature Bypass 5025271 Base: 5.5 Temporal: 4.8 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C 6.0.6003.22070 Yes 5026408 5026427 Windows Server 2008 R2 for x64-based Systems Service Pack 1 5026413 (Monthly Rollup) 5026426 (Security Only) Important Security Feature Bypass 5025279 Base: 5.5 Temporal: 4.8 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C 6.1.7601.26519 Yes 5026413 5026426 Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 5026413 (Monthly Rollup) 5026426 (Security Only) Important Security Feature Bypass 5025279 Base: 5.5 Temporal: 4.8 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C 6.1.7601.26519 Yes 5026413 5026426 Windows Server 2012 5026419 (Monthly Rollup) 5026411 (Security Only) Important Security Feature Bypass 5025287 Base: 5.5 Temporal: 4.8 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C 6.2.9200.24266 Yes None Windows Server 2012 (Server Core installation) 5026419 (Monthly Rollup) 5026411 (Security Only) Important Security Feature Bypass 5025287 Base: 5.5 Temporal: 4.8 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C 6.2.9200.24266 Yes None Windows Server 2012 R2 5026415 (Monthly Rollup) 5026409 (Security Only) Important Security Feature Bypass 5025285 Base: 5.5 Temporal: 4.8 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C 6.3.9600.20969 Yes None Windows Server 2012 R2 (Server Core installation) 5026415 (Monthly Rollup) 5026409 (Security Only) Important Security Feature Bypass 5025285 Base: 5.5 Temporal: 4.8 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C 6.3.9600.20969 Yes None Windows Server 2016 5026363 (Security Update) Important Security Feature Bypass Yes
Windows Server 2016 (Server Core installation) 5026363 (Security Update) Important Security Feature Bypass Yes
Windows Server 2019 5026362 (Security Update) Important Security Feature Bypass Yes
Windows Server 2019 (Server Core installation) 5026362 (Security Update) Important Security Feature Bypass Yes

Patches

6 patches
Article Type Restart
5026382 Security Update Yes
5026363 Security Update Yes
5026362 Security Update Yes
5026361 Security Update Yes
5026368 Security Update Yes
5026372 Security Update Yes

Known Exploits

Acknowledgments

None

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