{"id":"CVE-2026-113758","kind":"vulnerability","aliases":["CVE-2026-113758"],"related":[],"title":"Windows Desktop Window Manager: out-of-bounds read lets a local user gain privileges","description":"Out-of-bounds read in Desktop Window Manager allows an authorized attacker to elevate privileges locally.","summary":"Microsoft's Desktop Window Manager, the Windows component that draws the desktop, has an out-of-bounds read flaw. An attacker who already has a local account can elevate their privileges on the machine.","severity":"high","cvss":7.8,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["infrastructure","windows"],"not_affected_if":["no-local-access"],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T19:18:54+00:00","first_seen_at":"2026-11-10T19:24:38+00:00","triaged_at":"2026-11-10T19:41:01+00:00","updated_at":"2026-11-10T19:41:01+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-11-10T19:41:01Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Windows Desktop Window Manager: out-of-bounds read lets a local user gain privileges","impact":"high","summary":"Microsoft's Desktop Window Manager, the Windows component that draws the desktop, has an out-of-bounds read flaw. An attacker who already has a local account can elevate their privileges on the machine.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["windows"],"confidence":0.6,"fix_status":"unknown","needs_auth":"yes","worst_case":"local user gains SYSTEM privileges on the Windows machine","analyst_note":"Confirm affected Windows builds and the patch from the Microsoft Security Response Center advisory for CVE-2026-113758; the NVD entry gives only the description and CVSS 7.8.","how_to_check":"unknown","plain_action":"","product_name":"Windows Desktop Window Manager","needs_analyst":true,"not_affected_if":["no-local-access"],"who_is_affected":"Windows machines where an attacker already has a local user account. The sources do not name affected Windows builds or whether the flaw is reachable without a logon. Systems with no untrusted local users carry less risk.","user_interaction":"unknown","product_ecosystem":"vendor","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000687,"input_tokens":4490,"output_tokens":476,"severity_before":"high"},"analyst_status":"queued","analyst_note":"Confirm affected Windows builds and the patch from the Microsoft Security Response Center advisory for CVE-2026-113758; the NVD entry gives only the description and CVSS 7.8.","search":"'-113758':18A,21A '-2026':17A,20A 'account':51B 'allow':68C 'alreadi':47B 'attack':45B,71C 'author':70C 'bound':8A,41B,62C 'compon':31B 'cve':16A,19A 'desktop':2A,26B,35B,65C 'draw':33B 'elev':53B,73C 'flaw':43B 'gain':14A 'infrastructur':22B 'let':10A 'local':12A,50B,75C 'machin':58B 'manag':4A,28B,67C 'microsoft':24B 'out-of-bound':5A,38B,59C 'privileg':15A,55B,74C 'read':9A,42B,63C 'user':13A 'window':1A,3A,23B,27B,30B,66C","nicknames":[],"mitigations":[],"who_affected":"Windows machines where an attacker already has a local user account. The sources do not name affected Windows builds or whether the flaw is reachable without a logon. Systems with no untrusted local users carry less risk.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["high","infrastructure","windows"],"campaign_type":null,"search_a":"'-113758':18A,21A '-2026':17A,20A 'bound':8A 'cve':16A,19A 'desktop':2A 'gain':14A 'let':10A 'local':12A 'manag':4A 'out-of-bound':5A 'privileg':15A 'read':9A 'user':13A 'window':1A,3A","search_b":"'account':51B 'alreadi':47B 'attack':45B 'bound':41B 'compon':31B 'desktop':26B,35B 'draw':33B 'elev':53B 'flaw':43B 'infrastructur':22B 'local':50B 'machin':58B 'manag':28B 'microsoft':24B 'out-of-bound':38B 'privileg':55B 'read':42B 'window':23B,27B,30B","search_c":"'allow':68C 'attack':71C 'author':70C 'bound':62C 'desktop':65C 'elev':73C 'local':75C 'manag':67C 'out-of-bound':59C 'privileg':74C 'read':63C 'window':66C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:18:54+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cvss_by":"secure@microsoft.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-113758","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113758","severity":null,"published_at":"2026-11-10T19:18:54+00:00","modified_at":"2026-11-10T19:18:54+00:00","first_seen_at":"2026-11-10T19:24:38+00:00","fetched_at":"2026-11-10T19:24:38+00:00","note":null}],"documents":[],"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"}