Windows MSHTML Platform
CVE-2024-43461 — Windows MSHTML Platform Spoofing Vulnerability
Executive Summary
None
Overview
8.8
CVSS HIGH
Important
MS Severity
Exploited
MS Exploit Status
Exploitation Detected
MS Exploit Likelihood
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
0.52164
probability of exploitation in the next 30 days
0.98817 percentile - updated 2026-06-21
View on FIRST.org
Affected Products
27 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Windows 10 for 32-bit Systems | 5043083 (Security Update) |
Important | Spoofing | Yes |
| Windows 10 for x64-based Systems | 5043083 (Security Update) |
Important | Spoofing | Yes |
| Windows 10 Version 1607 for 32-bit Systems | 5043051 (Security Update) |
Important | Spoofing | Yes |
| Windows 10 Version 1607 for x64-based Systems | 5043051 (Security Update) |
Important | Spoofing | Yes |
| Windows 10 Version 1809 for 32-bit Systems | 5043050 (Security Update) |
Important | Spoofing | Yes |
| Windows 10 Version 1809 for x64-based Systems | 5043050 (Security Update) |
Important | Spoofing | Yes |
| Windows 10 Version 21H2 for 32-bit Systems | 5043064 (Security Update) |
Important | Spoofing | Yes |
| Windows 10 Version 21H2 for ARM64-based Systems | 5043064 (Security Update) |
Important | Spoofing | Yes |
| Windows 10 Version 21H2 for x64-based Systems | 5043064 (Security Update) |
Important | Spoofing | Yes |
| Windows 10 Version 22H2 for 32-bit Systems | 5043064 (Security Update) |
Important | Spoofing | Yes |
| Windows 10 Version 22H2 for ARM64-based Systems | 5043064 (Security Update) |
Important | Spoofing | Yes |
| Windows 10 Version 22H2 for x64-based Systems | 5043064 (Security Update) |
Important | Spoofing | Yes |
| Windows 11 version 21H2 for ARM64-based Systems | 5043067 (Security Update) |
Important | Spoofing | Yes |
| Windows 11 version 21H2 for x64-based Systems | 5043067 (Security Update) |
Important | Spoofing | Yes |
| Windows 11 Version 22H2 for ARM64-based Systems | 5043076 (Security Update) |
Important | Spoofing | Yes |
| Windows 11 Version 22H2 for x64-based Systems | 5043076 (Security Update) |
Important | Spoofing | Yes |
| Windows 11 Version 23H2 for ARM64-based Systems | 5043076 (Security Update) |
Important | Spoofing | Yes |
| Windows 11 Version 23H2 for x64-based Systems | 5043076 (Security Update) |
Important | Spoofing | Yes |
| Windows 11 Version 24H2 for ARM64-based Systems | 5043080 (Security Update) |
Important | Spoofing | Yes |
| Windows 11 Version 24H2 for x64-based Systems | 5043080 (Security Update) |
Important | Spoofing | Yes |
| Windows Server 2008 for 32-bit Systems Service Pack 2 5043135 (Monthly Rollup) 5043087 (Security Only) Important Spoofing 5041850 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 6.0.6003.22870 Yes 5043135 5043087 Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) 5043135 (Monthly Rollup) 5043087 (Security Only) Important Spoofing 5041850 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 6.0.6003.22870 Yes 5043135 5043087 Windows Server 2008 for x64-based Systems Service Pack 2 5043135 (Monthly Rollup) 5043087 (Security Only) Important Spoofing 5041850 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 6.0.6003.22870 Yes 5043135 5043087 Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) 5043135 (Monthly Rollup) 5043087 (Security Only) Important Spoofing 5041850 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 6.0.6003.22870 Yes 5043135 5043087 Windows Server 2008 R2 for x64-based Systems Service Pack 1 5043092 (Security Only) 5043049 (IE Cumulative) Important Spoofing 5041770 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 6.1.7601.27320 1.001 Yes Maybe None Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 5043092 (Security Only) 5043049 (IE Cumulative) Important Spoofing 5041770 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 6.1.7601.27320 1.001 Yes Maybe None Windows Server 2012 5043125 (Monthly Rollup) 5043049 (IE Cumulative) Important Spoofing 5041851 5041770 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 6.2.9200.25073 1.001 Yes 5043125 Windows Server 2012 (Server Core installation) | 5043125 (Monthly Rollup) |
Important | Spoofing | Yes |
| Windows Server 2012 R2 5043138 (Monthly Rollup) 5043049 (IE Cumulative) Important Spoofing 5041828 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 6.3.9600.22175 1.001 Yes 5043138 Windows Server 2012 R2 (Server Core installation) | 5043138 (Monthly Rollup) |
Important | Spoofing | Yes |
| Windows Server 2016 | 5043051 (Security Update) |
Important | Spoofing | Yes |
| Windows Server 2016 (Server Core installation) | 5043051 (Security Update) |
Important | Spoofing | Yes |
| Windows Server 2019 | 5043050 (Security Update) |
Important | Spoofing | Yes |
| Windows Server 2019 (Server Core installation) | 5043050 (Security Update) |
Important | Spoofing | Yes |
| Windows Server 2022 5042881 (Security Update) 5042880 (SecurityHotpatchUpdate) Important Spoofing 5041160 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 10.0.20348.2700 10.0.20348.2695 Yes 5042881 Windows Server 2022 (Server Core installation) 5042881 (Security Update) 5042880 (SecurityHotpatchUpdate) Important Spoofing 5041160 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 10.0.20348.2700 10.0.20348.2695 Yes 5042881 Windows Server 2022, 23H2 Edition (Server Core installation) | 5043055 (Security Update) |
Important | Spoofing | Yes |
Patches
10 patches
| Article | Type | Restart |
|---|---|---|
5043083 |
Security Update | Yes |
5043051 |
Security Update | Yes |
5043050 |
Security Update | Yes |
5043064 |
Security Update | Yes |
5043067 |
Security Update | Yes |
5043076 |
Security Update | Yes |
5043080 |
Security Update | Yes |
5043125 |
Monthly Rollup | Yes |
5043138 |
Monthly Rollup | Yes |
5043055 |
Security Update | Yes |
Known Exploits
No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.
Acknowledgments
Michael Macelletti, Naiyi Jiang and Adel with Microsoft, Peter Girnus (@gothburz)
References
On This Page