Microsoft Windows MSHTML Platform Privilege Escalation Vulnerability

Added to KEV
2023-07-11
Federal due date
2023-08-01
Vendor
Microsoft
Product
Windows
EPSS
97.5th percentile (score 0.427, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Unknown
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2023-32046

CISA short description

Microsoft Windows MSHTML Platform contains an unspecified vulnerability that allows for privilege escalation.

Required action

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

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.