SB20260831134 - Privilege escalation in Kaspersky Endpoint Security for Windows
Published: August 31, 2026
Security Bulletin ID
SB20260831134
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: N/A)
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
CVSSv4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to improperly imposed security restrictions. A local user can execute arbitrary code with elevated privileges.
Note, this vulnerability was dubbed HardBreacher.
Remediation
Install update from vendor's website.