CVE-2023-32046

Windows MSHTML Platform Elevation of Privilege Vulnerability

CVSS 3.1 High 7.8Known exploited (CISA KEV)

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

Description

Windows MSHTML Platform Elevation of Privilege Vulnerability

Key data

CVSS 3.1 High 7.8

Score published by microsoft in the CVE record.

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
The attacker needs local access to the system, or to trick a user into running something.
Attack complexity: Low
No special conditions are needed. The attack can be repeated at will.
Privileges required: None
No account or privileges are needed.
User interaction: Required
A user has to do something first, such as opening a file or following a link.
Scope: Unchanged
The impact stays within the vulnerable component.
Confidentiality impact: High
Serious or total effect on the secrecy of data.
Integrity impact: High
Serious or total effect on the trustworthiness of data.
Availability impact: High
Serious or total effect on availability.

Metric	Value	What it means
Attack vector	Local	The attacker needs local access to the system, or to trick a user into running something.
Attack complexity	Low	No special conditions are needed. The attack can be repeated at will.
Privileges required	None	No account or privileges are needed.
User interaction	Required	A user has to do something first, such as opening a file or following a link.
Scope	Unchanged	The impact stays within the vulnerable component.
Confidentiality impact	High	Serious or total effect on the secrecy of data.
Integrity impact	High	Serious or total effect on the trustworthiness of data.
Availability impact	High	Serious or total effect on availability.

CVSS is owned and managed by FIRST.Org, Inc. (FIRST) and is used by permission. Each CVSS score on this site is shown together with its vector string, as published in the CVE record by the source named next to it. Learn more at first.org/cvss.

EPSS

Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days.

Score: 0.09969 (10.0% probability)
Percentile: 95.6%
Scores of: Nov 10, 2026
Model: v2026.06.15

CISA Known Exploited Vulnerabilities

This CVE is listed in the CISA KEV catalog.

Name in the catalog: Microsoft Windows MSHTML Platform Privilege Escalation Vulnerability
Added to the catalog: Jul 11, 2023
Federal due date: Aug 1, 2023

CISA assessment as of Jan 27, 2025

Stakeholder-Specific Vulnerability Categorization (SSVC) decision points added by CISA.

Exploitation: Recorded by CISA as active
Automatable: no
Technical impact: total

Affected products

Products listed in the CVE record, as the CNA published them.

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

References

Links listed in the CVE record. They lead to other sites, which CubePath does not control.

Windows MSHTML Platform Elevation of Privilege Vulnerability (msrc.microsoft.com)vendor-advisory
seclists.org/fulldisclosure/2023/Jul/43

Timeline

ID reservedMay 1, 2023
Added to CISA KEVJul 11, 2023
Record publishedJul 11, 2023
Record last updatedJan 12, 2026

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Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:25 UTC. Sources and licenses