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CVE-2026-24289 is a local elevation-of-privilege vulnerability in the Windows Kernel, specifically in the NDIS driver. The flaw is a use-after-free condition caused by insufficient validation that an object still exists before it is operated on, resulting in memory corruption. Public reporting also characterizes the issue as involving a race condition. An attacker who can execute code with low privileges on a vulnerable Windows system may trigger the flaw to achieve arbitrary code execution in kernel context. Microsoft assessed the vulnerability as more likely to be exploited.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
15 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Microsoft vulnerability mentioned as one of several privilege escalation flaws rated 'exploited more likely.'
A Microsoft vulnerability rated as 'exploited more likely' in the March 2026 Patch Tuesday release; the specific technical details are not provided in the content.
A Windows Kernel local elevation-of-privilege vulnerability flagged as 'Exploitation More Likely' by Microsoft.
A Windows kernel elevation-of-privilege vulnerability rated by Microsoft as more likely to be exploited due to low attack complexity and no special privileges/user interaction requirements.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.