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Microsoft Windows Kernel Elevation of Privilege Vulnerability (CVE-2026-24289)

Attack Tradecraft · 2 sources · Updated 4mo ago · First seen Mar 11, 2026

Microsoft published guidance for CVE-2026-24289, an Important severity Windows Kernel elevation of privilege vulnerability caused by CWE-416 (use-after-free). Microsoft scored the issue with CVSS 3.1: 7.8 (vector AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H), indicating exploitation requires local access with low attack complexity and low privileges, and could result in high impact to confidentiality, integrity, and availability if successfully exploited.

The Security Update Guide entry provides standard Microsoft consumption options (e.g., PowerShell, API, CSAF) for tracking and integrating the advisory into vulnerability management workflows. The two provided references are effectively duplicate MSRC pages for the same CVE (one localized under /en-US/) and do not add distinct technical details beyond the vulnerability classification and scoring.

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Event timeline

How this story unfolded

Events from the most recent confirmed update back to the earliest known activity.

1 event · Mar 10, 2026

Mar 10, 20268mo ago
Microsoft publishes advisory for CVE-2026-24289
Microsoft added CVE-2026-24289, a Windows Kernel Elevation of Privilege vulnerability, to its Security Update Guide. The references indicate public disclosure of the advisory on March 10, 2026.

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Source coverage

Sources

2 references tracked. Mallory keeps watching after this page renders.

Msrc Security AdvisoriesAdvisories · Mar 10, 2026

CVE-2026-24289 - Security Update Guide - Microsoft - Windows Kernel Elevation of Privilege VulnerabilityOpen source ↗

Msrc MicrosoftAdvisories · Mar 10, 2026

CVE-2026-24289 - Security Update Guide - Microsoft - Windows Kernel Elevation of Privilege VulnerabilityOpen source ↗

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Microsoft Windows Kernel Elevation of Privilege Vulnerability (CVE-2026-24289)

How this story unfolded

Microsoft publishes advisory for CVE-2026-24289

Sources

See the full picture, correlated to your attack surface.

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Microsoft Windows Kernel Elevation of Privilege Vulnerability (CVE-2026-24289)

How this story unfolded

Microsoft publishes advisory for CVE-2026-24289

Sources

See the full picture, correlated to your attack surface.

Related stories

Windows Kernel Elevation of Privilege Vulnerability (CVE-2026-26132)

Active Exploitation of Windows Kernel Privilege Escalation Vulnerability CVE-2025-62215

Microsoft Win32k Elevation of Privilege Vulnerabilities Disclosed