{"answers":{"affected":"It affects 13 products.","exploited":"Yes. Attackers have exploited CVE-2026-68820 in the wild since at least 11 Aug 2026.","fix":"No fix has been published for CVE-2026-68820 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 25 Aug 2026.","what":"CVE-2026-68820 is a high-severity use after free vulnerability in Microsoft Windows 10 1607, published on 11 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-68820 and fix it if it is affected.\n\nWhat it is: CVE-2026-68820 is a high-severity use after free vulnerability in Microsoft Windows 10 1607, published on 11 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.\nExploitation: Yes. Attackers have exploited CVE-2026-68820 in the wild since at least 11 Aug 2026.\n\nAffected product: Microsoft Windows 10 1607. No package-level version data is available, so check the vendor advisory linked from the reference page.\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2026-68820/ (Markdown: https://insights.sbomify.com/CVE-2026-68820/index.md)","id":"CVE-2026-68820","markdown":"https://insights.sbomify.com/CVE-2026-68820/index.md","name":"CVE-2026-68820","record":{"aliases":["GHSA-c433-3382-mw5v"],"analysis":{"component_type":"operating_system","fix_type":"patch","impacts":["privilege_escalation"],"network_reachable":"adjacent_or_local","non_default_config":false,"product_category":"Windows OS","requires_auth":"low_privilege","summary":"A use-after-free flaw in the Windows Ancillary Function Driver for WinSock allows local attackers to elevate privileges.","user_interaction":"not_required","vuln_class":"use_after_free"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"microsoft","cpe":[{"product":"windows_10_1607","vendor":"microsoft"},{"product":"windows_10_1809","vendor":"microsoft"},{"product":"windows_10_21h2","vendor":"microsoft"},{"product":"windows_10_22h2","vendor":"microsoft"},{"product":"windows_11_23h2","vendor":"microsoft"},{"product":"windows_11_24h2","vendor":"microsoft"},{"product":"windows_11_25h2","vendor":"microsoft"},{"product":"windows_11_26h1","vendor":"microsoft"},{"product":"windows_server_2012","vendor":"microsoft"},{"product":"windows_server_2016","vendor":"microsoft"},{"product":"windows_server_2019","vendor":"microsoft"},{"product":"windows_server_2022","vendor":"microsoft"},{"product":"windows_server_2025","vendor":"microsoft"}],"cvss":{"score":7,"severity":"high","source":"cna","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","version":"3.1"},"cwes":[{"id":"CWE-416","name":"Use After Free"}],"description":"Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":"2026-08-13","github_poc":4,"max_poc_stars":1,"metasploit":0,"nuclei":0,"refs":[{"date":"2026-08-15T10:38:11Z","kind":"github_poc","ref":"https://github.com/ubitquity/Windows-WinSock-UAF-Mitigation","stars":1,"title":"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`)."},{"date":"2026-08-24T14:57:50Z","kind":"github_poc","ref":"https://github.com/fevar54/CVE-2026-68820-Mitigation-PoC-","stars":1,"title":"Demostracion educativa de mitigacion de CVE-2026-68820: Use-After-Free en afd.sys de Windows."},{"date":"2026-08-13T01:04:20Z","kind":"github_poc","ref":"https://github.com/HORKimhab/CVE-2026-68820","stars":0,"title":"CVE-2026-68820 - Draft or TODO"},{"date":"2026-08-25T17:59:18Z","kind":"github_poc","ref":"https://github.com/maxprog-svg/CVE-2026-68820_Mass_Exploit","stars":0,"title":"CVE-2026-68820 — Mass Exploit Framework Edition."}],"tier":"exploited"},"has_fix":null,"headline":"Microsoft Windows Ancillary Function Driver for WinSock Use-After-Free","id":"CVE-2026-68820","indexable":true,"kev":{"dateAdded":"2026-08-11","dueDate":"2026-08-25","knownRansomwareCampaignUse":"Unknown","product":"Windows Ancillary Function Driver for WinSock ","requiredAction":"Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.","vendorProject":"Microsoft","vulnerabilityName":"Microsoft Windows Ancillary Function Driver for WinSock Use-After-Free Vulnerability"},"kind":"cve","links":{"ecosystem":null,"product":"microsoft:windows_10_1607","products":["microsoft:windows_10_1607","microsoft:windows_10_1809","microsoft:windows_10_21h2","microsoft:windows_10_22h2","microsoft:windows_11_23h2","microsoft:windows_11_24h2","microsoft:windows_11_25h2","microsoft:windows_11_26h1","microsoft:windows_server_2012","microsoft:windows_server_2016","microsoft:windows_server_2019","microsoft:windows_server_2022","microsoft:windows_server_2025"],"type":"use_after_free","year":"2026"},"n_packages":0,"n_references":1,"next":{"headline":"Windows Package Manager Elevation of Privilege Vulnerability","id":"CVE-2026-68821"},"packages":[],"prev":{"headline":"Windows Network File System Denial of Service Vulnerability","id":"CVE-2026-68819"},"products":["Windows 10 Version 1607","Windows 10 Version 1809","Windows 10 Version 21H2","Windows 10 Version 22H2","Windows 11 Version 23H2","Windows 11 Version 24H2","Windows 11 Version 25H2","Windows 11 version 23H2","Windows 11 version 26H1","Windows Server 2012","Windows Server 2012 (Server Core installation)","Windows Server 2012 R2","Windows Server 2012 R2 (Server Core installation)","Windows Server 2016","Windows Server 2016 (Server Core installation)","Windows Server 2019","Windows Server 2019 (Server Core installation)","Windows Server 2022","Windows Server 2025","Windows Server 2025 (Server Core installation)"],"published":"2026-08-11","related":[{"cvss_score":9.8,"headline":"Microsoft Internet Key Exchange (IKE) Service Extensions Double Free","id":"CVE-2026-33824","kev_date_added":"2026-08-18","published":"2026-04-14"},{"cvss_score":8.8,"headline":"Microsoft Windows Shell Protection Mechanism Failure","id":"CVE-2026-21510","kev_date_added":"2026-02-10","published":"2026-02-10"},{"cvss_score":8.8,"headline":"Microsoft MSHTML Framework Protection Mechanism Failure","id":"CVE-2026-21513","kev_date_added":"2026-02-10","published":"2026-02-10"},{"cvss_score":8.8,"headline":"Microsoft Windows Defender SmartScreen Security Feature Bypass","id":"CVE-2023-32049","kev_date_added":"2023-07-11","published":"2023-07-11"},{"cvss_score":8.4,"headline":"Microsoft Streaming Service Untrusted Pointer Dereference","id":"CVE-2023-29360","kev_date_added":"2024-02-29","published":"2023-06-13"},{"cvss_score":7.8,"headline":"Microsoft Windows Heap-Based Buffer Overflow","id":"CVE-2026-85880","kev_date_added":"2026-09-08","published":"2026-09-08"},{"cvss_score":7.8,"headline":"Microsoft Active Directory Federation Services Insufficient Granularity of Access Control Vulnerability","id":"CVE-2026-56155","kev_date_added":"2026-07-14","published":"2026-07-14"}],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"US public information, NVD API terms","name":"NVD"},{"class":"open","licence":"CC0 1.0","name":"CISA KEV"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"},{"class":"open","licence":"CC0","name":"PoC-in-GitHub"}],"ssvc":{"automatable":"no","exploitation":"active","technical_impact":"total"},"state":"PUBLISHED","updated":"2026-10-28","vendors":["Microsoft"]},"summary":"A use-after-free flaw in the Windows Ancillary Function Driver for WinSock allows local attackers to elevate privileges.","url":"https://insights.sbomify.com/CVE-2026-68820/"}