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CVE-2026-32070 is a local elevation-of-privilege vulnerability in the Windows Common Log File System (CLFS) Driver caused by a use-after-free condition. The flaw occurs when the driver continues to use memory after it has been freed, creating a condition that can be abused by a locally authenticated attacker to corrupt kernel memory and influence execution in kernel context. Successful exploitation enables privilege escalation from a lower-privileged local context to the highest local privilege level on the affected Windows system.
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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.
If you can’t patch tonight, do this now.
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.
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An elevation-of-privilege vulnerability in the Windows CLFS Driver caused by a use-after-free, enabling SYSTEM privileges.
A Windows Common Log File System Driver elevation of privilege vulnerability.
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.