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vulnerabilityhighElevation of PrivilegeZero-Day Vulnerability

Apr 14, 2026 • Jai Vijayan

Privilege Elevation Dominates Massive Microsoft Patch Update

Microsoft's latest patch update addresses 165 vulnerabilities, with elevation-of-privilege bugs comprising over 50% of the total. Two zero-day vulnerabilities...

Source
Dark Reading
Category
vulnerability
Severity
high

Executive Summary

Microsoft's latest patch update addresses 165 vulnerabilities, with elevation-of-privilege bugs comprising over 50% of the total. Two zero-day vulnerabilities were included in this release, representing active exploitation risks. These privilege escalation flaws could allow attackers to gain elevated system access, potentially moving from user-level to administrative privileges. Organizations should prioritize applying these patches immediately, particularly the zero-day fixes, as unpatched systems remain vulnerable to privilege escalation attacks. The high proportion of privilege-related bugs underscores the importance of applying principle of least privilege and maintaining robust patch management cycles.

Summary

Elevation-of-privilege bugs accounted for more than half of the 165 vulnerabilities patched, with two zero-days in that mix.

Published Analysis

Microsoft's latest patch update addresses 165 vulnerabilities, with elevation-of-privilege bugs comprising over 50% of the total. Two zero-day vulnerabilities were included in this release, representing active exploitation risks. These privilege escalation flaws could allow attackers to gain elevated system access, potentially moving from user-level to administrative privileges. Organizations should prioritize applying these patches immediately, particularly the zero-day fixes, as unpatched systems remain vulnerable to privilege escalation attacks. The high proportion of privilege-related bugs underscores the importance of applying principle of least privilege and maintaining robust patch management cycles. Elevation-of-privilege bugs accounted for more than half of the 165 vulnerabilities patched, with two zero-days in that mix. Elevation-of-privilege bugs accounted for more than half of the 165 vulnerabilities patched, with two zero-days in that mix.