Important CVSS 8.8 EPSS 0.88196 ⚠️ Exploited in the wild 📢 Publicly disclosed 2023-11 archive

Executive Summary

None

Overview

8.8
CVSS HIGH
Important
MS Severity
Exploited
MS Exploit Status
Exploitation Detected
MS Exploit Likelihood
Category Security Feature Bypass
Released Nov 14 2023
Last Updated Nov 14 2023
Publicly Disclosed Yes
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.88196 — 0.99747 percentile
NVD CVSS 8.8 HIGH — matches MSRC

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C
ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
None
USER INTERACTION
Required
SCOPE
Unchanged
CONFIDENTIALITY
High
INTEGRITY
High
AVAILABILITY
High
EXPLOIT CODE MATURITY
Functional
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 8.2

EPSS Score

0.88196
probability of exploitation in the next 30 days
0.99747 percentile - updated 2026-06-21
View on FIRST.org

Affected Products

28 affected products
Product KB Article Severity Impact Restart Required
Windows 10 for 32-bit Systems 5032199 (Security Update) Important Security Feature Bypass Yes
Windows 10 for x64-based Systems 5032199 (Security Update) Important Security Feature Bypass Yes
Windows 10 Version 1607 for 32-bit Systems 5032197 (Security Update) Important Security Feature Bypass Yes
Windows 10 Version 1607 for x64-based Systems 5032197 (Security Update) Important Security Feature Bypass Yes
Windows 10 Version 1809 for 32-bit Systems 5032196 (Security Update) Important Security Feature Bypass Yes
Windows 10 Version 1809 for ARM64-based Systems 5032196 (Security Update) Important Security Feature Bypass Yes
Windows 10 Version 1809 for x64-based Systems 5032196 (Security Update) Important Security Feature Bypass Yes
Windows 10 Version 21H2 for 32-bit Systems 5032189 (Security Update) Important Security Feature Bypass Yes
Windows 10 Version 21H2 for ARM64-based Systems 5032189 (Security Update) Important Security Feature Bypass Yes
Windows 10 Version 21H2 for x64-based Systems 5032189 (Security Update) Important Security Feature Bypass Yes
Windows 10 Version 22H2 for 32-bit Systems 5032189 (Security Update) Important Security Feature Bypass Yes
Windows 10 Version 22H2 for ARM64-based Systems 5032189 (Security Update) Important Security Feature Bypass Yes
Windows 10 Version 22H2 for x64-based Systems 5032189 (Security Update) Important Security Feature Bypass Yes
Windows 11 version 21H2 for ARM64-based Systems 5032192 (Security Update) Important Security Feature Bypass Yes
Windows 11 version 21H2 for x64-based Systems 5032192 (Security Update) Important Security Feature Bypass Yes
Windows 11 Version 22H2 for ARM64-based Systems 5032190 (Security Update) Important Security Feature Bypass Yes
Windows 11 Version 22H2 for x64-based Systems 5032190 (Security Update) Important Security Feature Bypass Yes
Windows 11 Version 23H2 for ARM64-based Systems 5032190 (Security Update) Important Security Feature Bypass Yes
Windows 11 Version 23H2 for x64-based Systems 5032190 (Security Update) Important Security Feature Bypass Yes
Windows Server 2008 for 32-bit Systems Service Pack 2 5032254 (Monthly Rollup) 5032248 (Security Only) Important Security Feature Bypass 5031416 Base: 8.8 Temporal: 8.2 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C 6.0.6003.22367 Yes 5032254 5032248 Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) 5032254 (Monthly Rollup) 5032248 (Security Only) Important Security Feature Bypass 5031416 Base: 8.8 Temporal: 8.2 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C 6.0.6003.22367 Yes 5032254 5032248 Windows Server 2008 for x64-based Systems Service Pack 2 5032254 (Monthly Rollup) 5032248 (Security Only) Important Security Feature Bypass 5031416 Base: 8.8 Temporal: 8.2 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C 6.0.6003.22367 Yes 5032254 5032248 Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) 5032254 (Monthly Rollup) 5032248 (Security Only) Important Security Feature Bypass 5031416 Base: 8.8 Temporal: 8.2 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C 6.0.6003.22367 Yes 5032254 5032248 Windows Server 2008 R2 for x64-based Systems Service Pack 1 5032252 (Monthly Rollup) 5032250 (Security Only) Important Security Feature Bypass 5031408 Base: 8.8 Temporal: 8.2 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C 6.1.7601.26816 Yes 5032252 5032250 Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 5032252 (Monthly Rollup) 5032250 (Security Only) Important Security Feature Bypass 5031408 Base: 8.8 Temporal: 8.2 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C 6.1.7601.26816 Yes 5032252 5032250 Windows Server 2012 5032247 (Monthly Rollup) Important Security Feature Bypass Yes
Windows Server 2012 (Server Core installation) 5032247 (Monthly Rollup) Important Security Feature Bypass Yes
Windows Server 2012 R2 5032249 (Monthly Rollup) Important Security Feature Bypass Yes
Windows Server 2012 R2 (Server Core installation) 5032249 (Monthly Rollup) Important Security Feature Bypass Yes
Windows Server 2016 5032197 (Security Update) Important Security Feature Bypass Yes
Windows Server 2016 (Server Core installation) 5032197 (Security Update) Important Security Feature Bypass Yes
Windows Server 2019 5032196 (Security Update) Important Security Feature Bypass Yes
Windows Server 2019 (Server Core installation) 5032196 (Security Update) Important Security Feature Bypass Yes
Windows Server 2022 5032198 (Security Update) 5032304 (SecurityHotpatchUpdate) Important Security Feature Bypass 5031364 Base: 8.8 Temporal: 8.2 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C 10.0.20348.2113 10.0.20348.2091 Yes No None Windows Server 2022 (Server Core installation) 5032198 (Security Update) 5032304 (SecurityHotpatchUpdate) Important Security Feature Bypass 5031364 Base: 8.8 Temporal: 8.2 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C 10.0.20348.2113 10.0.20348.2091 Yes No None Windows Server 2022, 23H2 Edition (Server Core installation) 5032202 (Security Update) Important Security Feature Bypass Yes

Patches

9 patches
Article Type Restart
5032199 Security Update Yes
5032197 Security Update Yes
5032196 Security Update Yes
5032189 Security Update Yes
5032192 Security Update Yes
5032190 Security Update Yes
5032247 Monthly Rollup Yes
5032249 Monthly Rollup Yes
5032202 Security Update Yes

Known Exploits

Acknowledgments

Will Metcalf (Splunk), Microsoft Threat Intelligence, Microsoft Office Product Group Security Team