CVE-2026-96218
MediumCVSS 5.5Exploitation Probability (EPSS)
Low risk46th percentile - higher than 46% of all known CVEs
Summary
Improper access control in Windows Update Stack allows an authorized attacker to perform tampering locally.
Risk Assessment
Risk of integrity violation of the update process and system.
Recommendation
Apply security updates and restrict local user privileges.
Other vulnerabilities in Windows Update Stack
See all- CVE-2026-81963HighActively exploited
Improper link resolution before file access ('link following') in Windows Update Stack allows an authorized attacker to elevate privileges locally.
- CVE-2026-83798Medium
Improper verification of cryptographic signature in Windows Update Stack allows an authorized attacker to perform spoofing locally.
- CVE-2021-26889High
Elevation of privilege vulnerability in Windows Update Stack. Allows an attacker to gain elevated privileges.
- CVE-2021-1729High
Elevation of privilege vulnerability in Windows Update Stack Setup. An attacker could exploit it to gain elevated privileges on the system.
- CVE-2020-1110High
An elevation of privilege vulnerability in Windows Update Stack due to improper handling of objects in memory. An attacker could run arbitrary code in kernel mode, install programs, view, change or delete data, or create new accounts with full user rights.
- CVE-2020-1109High
Elevation of privilege vulnerability in Windows Update Stack. An attacker who logs on can run a specially crafted application to execute code in kernel mode, allowing installation of programs, data modification, or creation of accounts with full user rights.
Original NVD description (English source)
Improper access control in Windows Update Stack allows an authorized attacker to perform tampering locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

