{"id":"CVE-2026-122163","kind":"vulnerability","aliases":["CVE-2026-122163"],"related":[],"title":"Windows Image Acquisition: double free lets remote attacker run code","description":"Double free in Windows Image Acquisition allows an unauthorized attacker to execute code over a network.","summary":"Double free (CWE-415) in Windows Image Acquisition; an unauthenticated network attacker can run code, but the attack needs high complexity and user interaction (CVSS 7.5). Microsoft published fixes on 2026-11-10. No exploitation or public PoC found.","severity":"high","cvss":7.5,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"Windows Image Acquisition","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"Windows 10 Version 1607","fixed":["10.0.14393.9688"],"affected":">= 10.0.14393.0, < 10.0.14393.9688","ecosystem":"vendor"},{"name":"Windows 10 Version 1809","fixed":["10.0.17763.9487"],"affected":">= 10.0.17763.0, < 10.0.17763.9487","ecosystem":"vendor"},{"name":"Windows 10 Version 21H2","fixed":["10.0.19044.7846"],"affected":">= 10.0.19044.0, < 10.0.19044.7846","ecosystem":"vendor"},{"name":"Windows 10 Version 22H2","fixed":["10.0.19045.7846"],"affected":">= 10.0.19045.0, < 10.0.19045.7846","ecosystem":"vendor"},{"name":"Windows 11 Version 23H2","fixed":["10.0.22631.7711"],"affected":">= 10.0.22631.0, < 10.0.22631.7711","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["image-acquisition","infrastructure","windows"],"not_affected_if":[],"how_to_check":"Check the OS build (winver or [Environment]::OSVersion) against the fixed builds: Win10 1607 10.0.14393.9688, 1809 10.0.17763.9487, 21H2 10.0.19044.7846, 22H2 10.0.19045.7846, Win11 23H2 10.0.22631.7711. OffSeq lists 8 more builds (probably newer Windows 11 and Server) that I could not read; check the MSRC page for those.","fix":"Install the November 2026 Microsoft cumulative update that brings the build to the fixed version for your Windows release (see how-to-check).","status":"open","published_at":"2026-11-10T19:20:32+00:00","first_seen_at":"2026-11-10T19:25:09+00:00","triaged_at":"2026-11-10T19:44:21+00:00","updated_at":"2026-11-10T21:43:25+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-11-10T19:44:21Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","title":"Windows Image Acquisition: double free lets remote attacker run code","impact":"high","summary":"A memory bug (double free) in the Windows Image Acquisition component lets an unauthorized attacker send crafted network traffic. A successful attack can execute code on the affected Windows machine.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["windows","image-acquisition"],"confidence":0.5,"fix_status":"unknown","needs_auth":"no","worst_case":"Attacker runs code on the Windows machine over the network","analyst_note":"Confirm affected Windows builds and the Microsoft security update (MSRC) for CVE-2026-122163, and whether the service is on by default.","how_to_check":"- unknown","plain_action":"","product_name":"Windows Image Acquisition","needs_analyst":true,"not_affected_if":[],"who_is_affected":"unknown","user_interaction":"unknown","product_ecosystem":"vendor","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000639,"input_tokens":4480,"output_tokens":382,"severity_before":"high"},"analyst_status":"done","analyst_note":"Confirm affected Windows builds and the Microsoft security update (MSRC) for CVE-2026-122163, and whether the service is on by default.","search":"'-10':77B '-11':76B '-122163':13A,16A '-2026':12A,15A '-415':48B '10':21A,25A,29A,33A '11':37A '1607':23A '1809':27A '2026':75B '21h2':31A '22h2':35A '23h2':39A '7.5':70B 'acquisit':3A,42B,52B,89C 'acquisition':19A 'allow':90C 'attack':8A,56B,62B,93C 'code':10A,59B,96C 'complex':65B 'cve':11A,14A 'cvss':69B 'cwe':47B 'doubl':4A,45B,84C 'execut':95C 'exploit':79B 'fix':73B 'found':83B 'free':5A,46B,85C 'high':64B 'imag':2A,41B,51B,88C 'image':18A 'image-acquisit':40B 'infrastructur':43B 'interact':68B 'let':6A 'microsoft':71B 'need':63B 'network':55B,99C 'poc':82B 'public':81B 'publish':72B 'remot':7A 'run':9A,58B 'unauthent':54B 'unauthor':92C 'user':67B 'version':22A,26A,30A,34A,38A 'window':1A,44B,50B,87C 'windows':17A,20A,24A,28A,32A,36A","nicknames":[],"mitigations":[],"who_affected":"Windows machines whose build is below the fixed build for their release, including Windows 10 1607 to 22H2 and Windows 11 23H2. The attack comes over the network and needs a user action. Machines already patched to the November 2026 updates can skip it. Whether WIA is reachable by default on servers is not confirmed.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":["10version1607","10version1809","10version21h2","10version22h2","11version23h2","imageacquisition","windows10version1607","windows10version1809","windows10version21h2","windows10version22h2","windows11version23h2","windowsimageacquisition"],"ptokens":["10","11","1607","1809","21h2","22h2","23h2","acquisition","image","version","windows"],"labels":["high","imageacquisition","infrastructure","vendor","windows"],"campaign_type":null,"search_a":"'-122163':13A,16A '-2026':12A,15A '10':21A,25A,29A,33A '11':37A '1607':23A '1809':27A '21h2':31A '22h2':35A '23h2':39A 'acquisit':3A 'acquisition':19A 'attack':8A 'code':10A 'cve':11A,14A 'doubl':4A 'free':5A 'imag':2A 'image':18A 'let':6A 'remot':7A 'run':9A 'version':22A,26A,30A,34A,38A 'window':1A 'windows':17A,20A,24A,28A,32A,36A","search_b":"'-10':77B '-11':76B '-415':48B '2026':75B '7.5':70B 'acquisit':42B,52B 'attack':56B,62B 'code':59B 'complex':65B 'cvss':69B 'cwe':47B 'doubl':45B 'exploit':79B 'fix':73B 'found':83B 'free':46B 'high':64B 'imag':41B,51B 'image-acquisit':40B 'infrastructur':43B 'interact':68B 'microsoft':71B 'need':63B 'network':55B 'poc':82B 'public':81B 'publish':72B 'run':58B 'unauthent':54B 'user':67B 'window':44B,50B","search_c":"'acquisit':89C 'allow':90C 'attack':93C 'code':96C 'doubl':84C 'execut':95C 'free':85C 'imag':88C 'network':99C 'unauthor':92C 'window':87C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:20:32+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","cvss_by":"secure@microsoft.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-122163","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-122163","severity":null,"published_at":"2026-11-10T19:20:32+00:00","modified_at":"2026-11-10T19:20:33+00:00","first_seen_at":"2026-11-10T19:25:09+00:00","fetched_at":"2026-11-10T19:25:09+00:00","note":null},{"source":"analyst","external_id":"CVE-2026-122163:2842","url":"https://radar.offseq.com/threat/cve-2026-122163-cwe-415-double-free-in-microsoft-windows-10-version-1607-2ea85a7027fb7802","severity":null,"published_at":"2026-11-10T21:43:25+00:00","modified_at":"2026-11-10T21:43:25+00:00","first_seen_at":"2026-11-10T21:43:25+00:00","fetched_at":"2026-11-10T21:43:25+00:00","note":"MSRC page not retrievable (empty); builds/fixes come from OffSeq's copy of the CVE record, so nothing marked verified. Not in KEV, no PoC found. Default-on status of WIA network exposure not confirmed.","cites":["https://radar.offseq.com/threat/cve-2026-122163-cwe-415-double-free-in-microsoft-windows-10-version-1607-2ea85a7027fb7802","https://cve.report/CVE-2026-122163"]}],"documents":[{"id":118985,"url":"https://radar.offseq.com/threat/cve-2026-122163-cwe-415-double-free-in-microsoft-windows-10-version-1607-2ea85a7027fb7802","title":"OffSeq: CVE-2026-122163 affected builds (from CVE record)","kind":"other","source":"analyst","publisher":null,"text":null,"published_at":null,"relation":"describes","confidence":null,"note":null},{"id":118986,"url":"https://cve.report/CVE-2026-122163","title":"CVE.report: CVE-2026-122163","kind":"other","source":"analyst","publisher":null,"text":null,"published_at":null,"relation":"mentions","confidence":null,"note":null}],"disclosures":[],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}