CVE-2023-32046
Windows MSHTML Platform Elevation of Privilege Vulnerability
- High 7.8
- Exploited: added to CISA KEV 11 Jul 2023
Description
Windows MSHTML Platform Elevation of Privilege Vulnerability
Key facts
- Published
- 11 Jul 2023
- Last changed
- 12 Jan 2026
- Assigned by
- microsoft
- KEV added
- 11 Jul 2023
- KEV fix due
- 1 Aug 2023
- EPSS
- 9.969% likely to be exploited in the next 30 days, higher than 95.675% of CVEs (scores for 15 Nov 2026)
- SSVC (CISA)
- Exploitation: active; Automatable: no; Technical impact: total
Severity scores
Each score is shown as its source gave it. They are not averaged or merged.
- 7.8CVSS 3.1, Highfrom the CNA (microsoft)
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
What to do
- Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.CISA KEV required action
Historical context and remediation
This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.
No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.
Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 Version 1809 |
|
| Microsoft | Windows 10 Version 1809 |
|
| Microsoft | Windows Server 2019 |
|
| Microsoft | Windows Server 2019 (Server Core installation) |
|
| Microsoft | Windows Server 2022 |
|
| Microsoft | Windows 11 version 21H2 |
|
| Microsoft | Windows 10 Version 21H2 |
|
| Microsoft | Windows 11 version 22H2 |
|
| Microsoft | Windows 10 Version 22H2 |
|
| Microsoft | Windows 10 Version 1507 |
|
| Microsoft | Windows 10 Version 1607 |
|
| Microsoft | Windows Server 2016 |
|
| Microsoft | Windows Server 2016 (Server Core installation) |
|
| Microsoft | Windows Server 2008 Service Pack 2 |
|
| Microsoft | Windows Server 2008 Service Pack 2 (Server Core installation) |
|
| Microsoft | Windows Server 2008 Service Pack 2 |
|
| Microsoft | Windows Server 2008 R2 Service Pack 1 |
|
| Microsoft | Windows Server 2008 R2 Service Pack 1 (Server Core installation) |
|
| Microsoft | Windows Server 2012 |
|
| Microsoft | Windows Server 2012 (Server Core installation) |
|
| Microsoft | Windows Server 2012 R2 |
|
| Microsoft | Windows Server 2012 R2 (Server Core installation) |
|
Timeline
- 11 Jul 2023 Added to the CISA KEV catalogue
- 11 Jul 2023 Published