OnlyFm252
Windows Kernel

CVE-2023-28253 — Windows Kernel Information Disclosure Vulnerability

Important CVSS 5.5 EPSS 0.00555 2023-04 archive

Executive Summary

None

Overview

5.5
CVSS MEDIUM
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Information Disclosure
Released Apr 11 2023
Last Updated Apr 11 2023
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.00555 — 0.41849 percentile
NVD CVSS 5.5 MEDIUM — matches MSRC

CVSS Vector

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

EPSS Score

0.00555
probability of exploitation in the next 30 days
0.41849 percentile - updated 2026-06-21
View on FIRST.org

Affected Products

25 affected products
Product KB Article Severity Impact Restart Required
Windows 10 for 32-bit Systems 5025234 (Security Update) Important Information Disclosure Yes
Windows 10 for x64-based Systems 5025234 (Security Update) Important Information Disclosure Yes
Windows 10 Version 1607 for 32-bit Systems 5025228 (Security Update) Important Information Disclosure Yes
Windows 10 Version 1607 for x64-based Systems 5025228 (Security Update) Important Information Disclosure Yes
Windows 10 Version 1809 for 32-bit Systems 5025229 (Security Update) Important Information Disclosure Yes
Windows 10 Version 1809 for ARM64-based Systems 5025229 (Security Update) Important Information Disclosure Yes
Windows 10 Version 1809 for x64-based Systems 5025229 (Security Update) Important Information Disclosure Yes
Windows 10 Version 20H2 for 32-bit Systems 5025221 (Security Update) Important Information Disclosure Yes
Windows 10 Version 20H2 for ARM64-based Systems 5025221 (Security Update) Important Information Disclosure Yes
Windows 10 Version 21H2 for 32-bit Systems 5025221 (Security Update) Important Information Disclosure Yes
Windows 10 Version 21H2 for ARM64-based Systems 5025221 (Security Update) Important Information Disclosure Yes
Windows 10 Version 21H2 for x64-based Systems 5025221 (Security Update) Important Information Disclosure Yes
Windows 10 Version 22H2 for 32-bit Systems 5025221 (Security Update) Important Information Disclosure Yes
Windows 10 Version 22H2 for ARM64-based Systems 5025221 (Security Update) Important Information Disclosure Yes
Windows 10 Version 22H2 for x64-based Systems 5025221 (Security Update) Important Information Disclosure Yes
Windows 11 version 21H2 for ARM64-based Systems 5025224 (Security Update) Important Information Disclosure Yes
Windows 11 version 21H2 for x64-based Systems 5025224 (Security Update) Important Information Disclosure Yes
Windows 11 Version 22H2 for ARM64-based Systems 5025239 (Security Update) Important Information Disclosure Yes
Windows 11 Version 22H2 for x64-based Systems 5025239 (Security Update) Important Information Disclosure Yes
Windows Server 2008 for 32-bit Systems Service Pack 2 5025271 (Monthly Rollup) 5025273 (Security Only) Important Information Disclosure 5023755 Base: 5.5 Temporal: 4.8 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C 6.0.6003.22015 Yes 5025271 5025273 Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) 5025271 (Monthly Rollup) 5025273 (Security Only) Important Information Disclosure 5023755 Base: 5.5 Temporal: 4.8 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C 6.0.6003.22015 Yes 5025271 5025273 Windows Server 2008 for x64-based Systems Service Pack 2 5025271 (Monthly Rollup) 5025273 (Security Only) Important Information Disclosure 5023755 Base: 5.5 Temporal: 4.8 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C 6.0.6003.22015 Yes 5025271 5025273 Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) 5025271 (Monthly Rollup) 5025273 (Security Only) Important Information Disclosure 5023755 Base: 5.5 Temporal: 4.8 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C 6.0.6003.22015 Yes 5025271 5025273 Windows Server 2008 R2 for x64-based Systems Service Pack 1 5025279 (Monthly Rollup) 5025277 (Security Only) Important Information Disclosure 5023769 Base: 5.5 Temporal: 4.8 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C 6.1.7601.26466 Yes 5025279 5025277 Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 5025279 (Monthly Rollup) 5025277 (Security Only) Important Information Disclosure 5023769 Base: 5.5 Temporal: 4.8 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C 6.1.7601.26466 Yes 5025279 5025277 Windows Server 2012 5025287 (Monthly Rollup) 5025272 (Security Only) Important Information Disclosure 5023769 Base: 5.5 Temporal: 4.8 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C 6.2.9200.24216 Yes None Windows Server 2012 (Server Core installation) 5025287 (Monthly Rollup) 5025272 (Security Only) Important Information Disclosure 5023769 Base: 5.5 Temporal: 4.8 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C 6.2.9200.24216 Yes None Windows Server 2012 R2 5025285 (Monthly Rollup) 5025288 (Security Only) Important Information Disclosure 5023765 Base: 5.5 Temporal: 4.8 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C 6.3.9600.20919 Yes None Windows Server 2012 R2 (Server Core installation) 5025285 (Monthly Rollup) 5025288 (Security Only) Important Information Disclosure 5023765 Base: 5.5 Temporal: 4.8 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C 6.3.9600.20919 Yes None Windows Server 2016 5025228 (Security Update) Important Information Disclosure Yes
Windows Server 2016 (Server Core installation) 5025228 (Security Update) Important Information Disclosure Yes
Windows Server 2019 5025229 (Security Update) Important Information Disclosure Yes
Windows Server 2019 (Server Core installation) 5025229 (Security Update) Important Information Disclosure Yes
Windows Server 2022 5025230 (Security Update) Important Information Disclosure Yes
Windows Server 2022 (Server Core installation) 5025230 (Security Update) Important Information Disclosure Yes

Patches

7 patches
Article Type Restart
5025234 Security Update Yes
5025228 Security Update Yes
5025229 Security Update Yes
5025221 Security Update Yes
5025224 Security Update Yes
5025239 Security Update Yes
5025230 Security Update Yes

Known Exploits

Acknowledgments

Andrei Vlad Lutas of Bitdefender Alyssa Milburn and Ke Sun of Intel

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