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Dossier · Vulnerability

Actively exploited · CISA KEV · NVD published 2026-08-11

CVE-2026-68820

Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

  1. KEV
  2. 2 days →First PoC
  3. 8 days →First cited attacker

Signals

Exploited in the wild
Yesadded 2026-08-11 · due 2026-08-25. An observation, not a forecast.
EPSS · 30-day forecast
0%Chance of exploitation in the next 30 days, 25th percentile of all CVEs. A forecast; KEV outranks it.
CVSS · NVD · HIGH
7.0CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Internet exposure
not stated by sourcesNo exposure census on this CVE's dispatches.

Exploits

4 known · links only

GitHub PoCs · by trust, then stars4

  1. fevar54/CVE-2026-68820-Mitigation-PoC- ↗Trust ok 100

    Demostracion educativa de mitigacion de CVE-2026-68820: Use-After-Free en afd.sys de Windows.

    ★ 1 · created 2026-08-24

  2. ubitquity/Windows-WinSock-UAF-Mitigation ↗Trust ok 100

    This repository contains a conceptual patch demonstrating the mitigation for CVE-2026-68820, a critical Use-After-Free (UAF) vulnerability in the Windows Ancillary Function Driver for WinSock (`afd.sys`).

    ★ 1 · created 2026-08-15

  3. HORKimhab/CVE-2026-68820 ↗Trust ok 100

    CVE-2026-68820 - Draft or TODO

    ★ 0 · created 2026-08-13

  4. maxprog-svg/CVE-2026-68820_Mass_Exploit ↗Trust ok 100

    CVE-2026-68820 — Mass Exploit Framework Edition.

    ★ 0 · created 2026-08-25

Fake proof-of-concept repositories have been used to deliver malware to the researchers who run them. The trust verdict is our engine's heuristic over the repository (account age, what it ships, how its stars arrived); it is a reason to read the code first, not a finding about its author.

On the wire

1 dispatch
  1. The August 2026 Security Update ReviewKEV

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