Important CVSS 6.5 EPSS 0.00529 2022-12 archive

Executive Summary

None

Overview

6.5
CVSS MEDIUM
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Information Disclosure
Released Dec 13 2022
Last Updated Dec 13 2022
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.00529 — 0.40428 percentile
NVD CVSS 6.5 MEDIUM — matches MSRC

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/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
Changed
CONFIDENTIALITY
High
INTEGRITY
None
AVAILABILITY
None
EXPLOIT CODE MATURITY
Unproven
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 5.7

EPSS Score

0.00529
probability of exploitation in the next 30 days
0.40428 percentile - updated 2026-06-21
View on FIRST.org

Affected Products

29 affected products
Product KB Article Severity Impact Restart Required
Windows 10 for 32-bit Systems 5021243 (Security Update) Important Information Disclosure Yes
Windows 10 for x64-based Systems 5021243 (Security Update) Important Information Disclosure Yes
Windows 10 Version 1607 for 32-bit Systems 5021235 (Security Update) Important Information Disclosure Yes
Windows 10 Version 1607 for x64-based Systems 5021235 (Security Update) Important Information Disclosure Yes
Windows 10 Version 1809 for 32-bit Systems 5021237 (Security Update) Important Information Disclosure Yes
Windows 10 Version 1809 for ARM64-based Systems 5021237 (Security Update) Important Information Disclosure Yes
Windows 10 Version 1809 for x64-based Systems 5021237 (Security Update) Important Information Disclosure Yes
Windows 10 Version 20H2 for 32-bit Systems 5021233 (Security Update) Important Information Disclosure Yes
Windows 10 Version 20H2 for ARM64-based Systems 5021233 (Security Update) Important Information Disclosure Yes
Windows 10 Version 21H1 for 32-bit Systems 5021233 (Security Update) Important Information Disclosure Yes
Windows 10 Version 21H1 for ARM64-based Systems 5021233 (Security Update) Important Information Disclosure Yes
Windows 10 Version 21H1 for x64-based Systems 5021233 (Security Update) Important Information Disclosure Yes
Windows 10 Version 21H2 for 32-bit Systems 5021233 (Security Update) Important Information Disclosure Yes
Windows 10 Version 21H2 for ARM64-based Systems 5021233 (Security Update) Important Information Disclosure Yes
Windows 10 Version 21H2 for x64-based Systems 5021233 (Security Update) Important Information Disclosure Yes
Windows 10 Version 22H2 for 32-bit Systems 5021233 (Security Update) Important Information Disclosure Yes
Windows 10 Version 22H2 for ARM64-based Systems 5021233 (Security Update) Important Information Disclosure Yes
Windows 10 Version 22H2 for x64-based Systems 5021233 (Security Update) Important Information Disclosure Yes
Windows 11 version 21H2 for ARM64-based Systems 5021234 (Security Update) Important Information Disclosure Yes
Windows 11 version 21H2 for x64-based Systems 5021234 (Security Update) Important Information Disclosure Yes
Windows 11 Version 22H2 for ARM64-based Systems 5021255 (Security Update) Important Information Disclosure Yes
Windows 11 Version 22H2 for x64-based Systems 5021255 (Security Update) Important Information Disclosure Yes
Windows 8.1 for 32-bit systems 5021294 (Monthly Rollup) 5021296 (Security Only) Important Information Disclosure 5020023 Base: 6.5 Temporal: 5.7 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C 6.3.9600.20721 Yes 5021294 5021296 Windows 8.1 for x64-based systems 5021294 (Monthly Rollup) 5021296 (Security Only) Important Information Disclosure 5020023 Base: 6.5 Temporal: 5.7 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C 6.3.9600.20721 Yes 5021294 5021296 Windows RT 8.1 5021294 (Monthly Rollup) Important Information Disclosure Yes
Windows Server 2012 5021285 (Monthly Rollup) 5021303 (Security Only) Important Information Disclosure 5020009 Base: 6.5 Temporal: 5.7 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C 6.2.9200.24018 Yes 5021285 5021303 Windows Server 2012 (Server Core installation) 5021285 (Monthly Rollup) 5021303 (Security Only) Important Information Disclosure 5020009 Base: 6.5 Temporal: 5.7 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C 6.2.9200.24018 Yes 5021285 5021303 Windows Server 2012 R2 5021294 (Monthly Rollup) 5021296 (Security Only) Important Information Disclosure 5020023 Base: 6.5 Temporal: 5.7 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C 6.3.9600.20721 Yes 5021294 5021296 Windows Server 2012 R2 (Server Core installation) 5021294 (Monthly Rollup) 5021296 (Security Only) Important Information Disclosure 5020023 Base: 6.5 Temporal: 5.7 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C 6.3.9600.20721 Yes 5021294 5021296 Windows Server 2016 5021235 (Security Update) Important Information Disclosure Yes
Windows Server 2016 (Server Core installation) 5021235 (Security Update) Important Information Disclosure Yes
Windows Server 2019 5021237 (Security Update) Important Information Disclosure Yes
Windows Server 2019 (Server Core installation) 5021237 (Security Update) Important Information Disclosure Yes
Windows Server 2022 5021249 (Security Update) Important Information Disclosure Yes
Windows Server 2022 (Server Core installation) 5021249 (Security Update) Important Information Disclosure Yes

Patches

8 patches
Article Type Restart
5021243 Security Update Yes
5021235 Security Update Yes
5021237 Security Update Yes
5021233 Security Update Yes
5021234 Security Update Yes
5021255 Security Update Yes
5021294 Monthly Rollup Yes
5021249 Security Update Yes

Known Exploits

Acknowledgments

lm0963, renyimen, and l1nk3d with TianGong Team of Legendsec at Qi'anxin Group