OnlyFm252
Windows MSHTML Platform

CVE-2023-32046 — Windows MSHTML Platform Elevation of Privilege Vulnerability

Important CVSS 7.8 EPSS 0.09083 ⚠️ Exploited in the wild 2023-07 archive

Executive Summary

None

Overview

7.8
CVSS HIGH
Important
MS Severity
Exploited
MS Exploit Status
Exploitation Detected
MS Exploit Likelihood
Category Elevation of Privilege
Released Jul 11 2023
Last Updated Jul 11 2023
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.09083 — 0.94638 percentile
NVD CVSS 7.8 HIGH — matches MSRC

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
ATTACK VECTOR
Local
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
None
USER INTERACTION
Required
SCOPE
Unchanged
CONFIDENTIALITY
High
INTEGRITY
High
AVAILABILITY
High
EXPLOIT CODE MATURITY
Unproven
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 6.8

EPSS Score

0.09083
probability of exploitation in the next 30 days
0.94638 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 5028186 (Security Update) Important Elevation of Privilege Yes
Windows 10 for x64-based Systems 5028186 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1607 for 32-bit Systems 5028169 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1607 for x64-based Systems 5028169 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1809 for 32-bit Systems 5028168 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1809 for ARM64-based Systems 5028168 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1809 for x64-based Systems 5028168 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 21H2 for 32-bit Systems 5028166 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 21H2 for ARM64-based Systems 5028166 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 21H2 for x64-based Systems 5028166 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 22H2 for 32-bit Systems 5028166 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 22H2 for ARM64-based Systems 5028166 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 22H2 for x64-based Systems 5028166 (Security Update) Important Elevation of Privilege Yes
Windows 11 version 21H2 for ARM64-based Systems 5028182 (Security Update) Important Elevation of Privilege Yes
Windows 11 version 21H2 for x64-based Systems 5028182 (Security Update) Important Elevation of Privilege Yes
Windows 11 Version 22H2 for ARM64-based Systems 5028185 (Security Update) Important Elevation of Privilege Yes
Windows 11 Version 22H2 for x64-based Systems 5028185 (Security Update) Important Elevation of Privilege Yes
Windows Server 2008 for 32-bit Systems Service Pack 2 5028222 (Monthly Rollup) 5028226 (Security Only) 5028167 (IE Cumulative) Important Elevation of Privilege 5027279 5026366 Base: 7.8 Temporal: 6.8 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.0.6003.22175 1.001 Yes 5028222 5028226 Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) 5028222 (Monthly Rollup) 5028226 (Security Only) 5028167 (IE Cumulative) Important Elevation of Privilege 5027279 5026366 Base: 7.8 Temporal: 6.8 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.0.6003.22175 1.001 Yes 5028222 5028226 Windows Server 2008 for x64-based Systems Service Pack 2 5028222 (Monthly Rollup) 5028226 (Security Only) 5028167 (IE Cumulative) Important Elevation of Privilege 5027279 5026366 Base: 7.8 Temporal: 6.8 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.0.6003.22175 1.001 Yes 5028222 5028226 Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) 5028222 (Monthly Rollup) 5028226 (Security Only) 5028167 (IE Cumulative) Important Elevation of Privilege 5027279 5026366 Base: 7.8 Temporal: 6.8 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.0.6003.22175 1.001 Yes 5028222 5028226 Windows Server 2008 R2 for x64-based Systems Service Pack 1 5028167 (IE Cumulative) 5028240 (Monthly Rollup) 5028224 (Security Only) Important Elevation of Privilege 5026366 5027275 Base: 7.8 Temporal: 6.8 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 1.001 6.1.7601.26623 Yes 5028240 5028224 Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 5028167 (IE Cumulative) 5028240 (Monthly Rollup) 5028224 (Security Only) Important Elevation of Privilege 5026366 5027275 Base: 7.8 Temporal: 6.8 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 1.001 6.1.7601.26623 Yes 5028240 5028224 Windows Server 2012 5028167 (IE Cumulative) 5028232 (Monthly Rollup) 5028233 (Security Only) Important Elevation of Privilege 5026366 5027283 Base: 7.8 Temporal: 6.8 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 1.001 6.2.9200.24374 Yes None Windows Server 2012 (Server Core installation) 5028167 (IE Cumulative) 5028232 (Monthly Rollup) 5028233 (Security Only) Important Elevation of Privilege 5026366 5027283 Base: 7.8 Temporal: 6.8 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 1.001 6.2.9200.24374 Yes None Windows Server 2012 R2 5028167 (IE Cumulative) 5028228 (Monthly Rollup) 5028223 (Security Only) Important Elevation of Privilege 5026366 5027271 Base: 7.8 Temporal: 6.8 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 1.001 6.3.9600.21063 6.3.9600.21075 Yes None Windows Server 2012 R2 (Server Core installation) 5028167 (IE Cumulative) 5028228 (Monthly Rollup) 5028223 (Security Only) Important Elevation of Privilege 5026366 5027271 Base: 7.8 Temporal: 6.8 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 1.001 6.3.9600.21063 6.3.9600.21075 Yes None Windows Server 2016 5028169 (Security Update) Important Elevation of Privilege Yes
Windows Server 2016 (Server Core installation) 5028169 (Security Update) Important Elevation of Privilege Yes
Windows Server 2019 5028168 (Security Update) Important Elevation of Privilege Yes
Windows Server 2019 (Server Core installation) 5028168 (Security Update) Important Elevation of Privilege Yes
Windows Server 2022 5028171 (Security Update) Important Elevation of Privilege Yes
Windows Server 2022 (Server Core installation) 5028171 (Security Update) Important Elevation of Privilege Yes

Patches

7 patches
Article Type Restart
5028186 Security Update Yes
5028169 Security Update Yes
5028168 Security Update Yes
5028166 Security Update Yes
5028182 Security Update Yes
5028185 Security Update Yes
5028171 Security Update Yes

Known Exploits

Acknowledgments

MSTIC

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