Remote Code Execution in Windows NTFS
CVE-2025-24993 is a heap-based buffer overflow vulnerability in Windows NTFS. The available reporting describes it as an NTFS memory corruption issue that can be triggered when a user mounts a specially crafted malicious VHD, leading to a heap-based buffer overflow and enabling local code execution by an unauthorized attacker. Multiple sources in the provided content state that Microsoft marked this vulnerability as exploited in the wild at disclosure time.
Are you exposed to this one?
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Impact, mitigation & remediation
What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
Impact
What an attacker gets, and what they’ve been doing with it.
Mitigation
If you can’t patch tonight, do this now.
Remediation
Patch, then assume compromise.
Exploits
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Affected products & vendors
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.
Recent activity
6 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Windows NTFS remote code execution vulnerability, apparently similar to the malicious-VHD NTFS issues, and reported as exploited in the wild.
A Windows NTFS memory corruption vulnerability affecting nearly all Windows systems by default, enabling local code execution by unauthorized attackers.
A heap-based buffer overflow in NTFS; explicitly described as known exploited.
A Windows NTFS heap-based buffer overflow vulnerability that can lead to code execution when a user mounts a malicious VHD; listed as exploited in the wild.
The version that knows your environment.
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.