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CVE-2025-32709 is a local elevation-of-privilege vulnerability in the Windows Ancillary Function Driver for WinSock. The vulnerability is characterized as a use-after-free condition in AFD.sys in multiple vulnerability records, although the primary vulnerability description instead identifies a null pointer dereference. An authorized local attacker can exploit the flaw to elevate privileges.
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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 valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
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.
32 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A previously exploited afd.sys zero-day mentioned as historical context.
An elevation of privilege vulnerability in the Windows Ancillary Function Driver for WinSock reported as exploited and included in CISA KEV.
An elevation of privilege vulnerability in the Windows Ancillary Function Driver for WinSock explicitly listed as under exploitation in the wild.
Elevation of privilege vulnerability in Windows AFD.sys (Ancillary Function Driver for Winsock).
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.