How severe is CVE-2023-32046?

CVE-2023-32046 has a CVSS 3.1 base score of 7.8 (HIGH). EPSS estimates a 10.0% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2023-32046: Windows MSHTML Platform Elevation of Privilege

CISA Known Exploited Vulnerabilities

Microsoft Windows MSHTML Platform Privilege Escalation Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2023-07-11

Remediation due

2023-08-01

Required action
Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.

CISA notes
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-32046; https://nvd.nist.gov/vuln/detail/CVE-2023-32046

Description

Windows MSHTML Platform Elevation of Privilege Vulnerability

Severity

CVSS 3.1 · CNA7.8 HIGH

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

SSVC · CISA-ADP

Exploitationactive

Automatableno

Technical impacttotal

Exploitation Context

as of October 13, 2026

All KEV statistics→

CISA added CVE-2023-32046 to the KEV catalog on the day its CVE record was published. The median for entries added in 2023 is 12 days.
It is one of 390 Microsoft entries in the CISA KEV catalog, and one of 27 added in 2023.
Its current EPSS score (10.0%) is higher than that of 26% of CISA KEV entries.

Affected Products

Vendor	Product	Affected versions
Microsoft	Microsoft Windows 10 Version 1809	10.0.17763.0 to <10.0.17763.4645
Microsoft	Microsoft Windows 10 Version 1809	10.0.0 to <10.0.17763.4645
Microsoft	Microsoft Windows Server 2019	10.0.17763.0 to <10.0.17763.4645
Microsoft	Microsoft Windows Server 2019 (Server Core installation)	10.0.17763.0 to <10.0.17763.4645
Microsoft	Microsoft Windows Server 2022	10.0.20348.0 to <10.0.20348.1850
Microsoft	Microsoft Windows 11 version 21H2	10.0.0 to <10.0.22000.2176
Microsoft	Microsoft Windows 10 Version 21H2	10.0.19043.0 to <10.0.19044.3208
Microsoft	Microsoft Windows 11 version 22H2	10.0.22621.0 to <10.0.22621.1992
Microsoft	Microsoft Windows 10 Version 22H2	10.0.19045.0 to <10.0.19045.3208
Microsoft	Microsoft Windows 10 Version 1507	10.0.10240.0 to <10.0.10240.20048
Microsoft	Microsoft Windows 10 Version 1607	10.0.14393.0 to <10.0.14393.6085
Microsoft	Microsoft Windows Server 2016	10.0.14393.0 to <10.0.14393.6085
Microsoft	Microsoft Windows Server 2016 (Server Core installation)	10.0.14393.0 to <10.0.14393.6085
Microsoft	Microsoft Windows Server 2008 Service Pack 2	6.0.6003.0 to <6.0.6003.22175
Microsoft	Microsoft Windows Server 2008 Service Pack 2 (Server Core installation)	6.0.6003.0 to <6.0.6003.22175
Microsoft	Microsoft Windows Server 2008 Service Pack 2	6.0.6003.0 to <6.0.6003.22175
Microsoft	Microsoft Windows Server 2008 R2 Service Pack 1	6.1.7601.0 to <6.1.7601.26623
Microsoft	Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation)	6.1.7601.0 to <6.1.7601.26623
Microsoft	Microsoft Windows Server 2012	6.2.9200.0 to <6.2.9200.24374
Microsoft	Microsoft Windows Server 2012 (Server Core installation)	6.2.9200.0 to <6.2.9200.24374
Microsoft	Microsoft Windows Server 2012 R2	6.3.9600.0 to <6.3.9600.21063
Microsoft	Microsoft Windows Server 2012 R2 (Server Core installation)	6.3.9600.0 to <6.3.9600.21063

References

2 Links

Vendor advisories

Windows MSHTML Platform Elevation of Privilege Vulnerability

Other references

http://seclists.org/fulldisclosure/2023/Jul/43

Record Details

Published

2023-07-11

Last updated

2026-01-12

Assigner (CNA)

microsoft

Credited to

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CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.