{"id":"CVE-2026-96153","kind":"vulnerability","aliases":["CVE-2026-96153"],"related":[],"title":"Windows Error Reporting heap overflow lets a local user gain higher privileges","description":"Heap-based buffer overflow in Windows Error Reporting allows an authorized attacker to elevate privileges locally.","summary":"Windows Error Reporting has a heap-based buffer overflow. An attacker with an existing local account can use it to elevate their privileges on the machine.","severity":"high","cvss":7.0,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["infrastructure","windows"],"not_affected_if":["no-local-untrusted-users"],"how_to_check":"Unknown: affected builds not confirmed. Look up CVE-2026-96153 in the Microsoft Security Update Guide, then compare your Windows build (winver) with the fixed build listed there and check installed KBs with Get-HotFix.","fix":"Unknown: install the November 2026 Microsoft security update for your Windows version once the Update Guide lists the KB for CVE-2026-96153.","status":"open","published_at":"2026-11-10T19:22:12+00:00","first_seen_at":"2026-11-10T19:25:32+00:00","triaged_at":"2026-11-10T19:48:07+00:00","updated_at":"2026-11-10T19:51:22+00:00","category":"infrastructure","confidence":0.4,"triage":{"at":"2026-11-10T19:48:07Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Windows Error Reporting heap overflow lets a local user gain higher privileges","impact":"high","summary":"Windows Error Reporting has a heap-based buffer overflow. An attacker with an existing local account can use it to elevate their privileges on the machine.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["windows"],"confidence":0.5,"fix_status":"unknown","needs_auth":"yes","worst_case":"local user gains SYSTEM-level privileges on the machine","analyst_note":"Confirm affected Windows builds and the Microsoft security update that fixes CVE-2026-96153 via the NVD link.","how_to_check":"unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":["no-local-untrusted-users"],"who_is_affected":"Affects Windows systems with the Windows Error Reporting component. Exploitation requires a local account that is already authorized to run code on the machine. The sources do not list affected Windows builds or the patch.","user_interaction":"no","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.00065,"input_tokens":4494,"output_tokens":402,"severity_before":"high"},"analyst_status":"done","analyst_note":"Confirm affected Windows builds and the Microsoft security update that fixes CVE-2026-96153 via the NVD link.","search":"'-2026':14A,17A '-96153':15A,18A 'account':37B 'allow':57C 'attack':32B,60C 'author':59C 'base':28B,50C 'buffer':29B,51C 'cve':13A,16A 'elev':42B,62C 'error':2A,22B,55C 'exist':35B 'gain':10A 'heap':4A,27B,49C 'heap-bas':26B,48C 'higher':11A 'infrastructur':19B 'let':6A 'local':8A,36B,64C 'machin':47B 'overflow':5A,30B,52C 'privileg':12A,44B,63C 'report':3A,23B,56C 'use':39B 'user':9A 'window':1A,20B,21B,54C","nicknames":[],"mitigations":[],"who_affected":"Affects Windows systems with the Windows Error Reporting component. Exploitation requires a local account that is already authorized to run code on the machine. The sources do not list affected Windows builds or the patch.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"unknown","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["high","infrastructure","windows"],"campaign_type":null,"search_a":"'-2026':14A,17A '-96153':15A,18A 'cve':13A,16A 'error':2A 'gain':10A 'heap':4A 'higher':11A 'let':6A 'local':8A 'overflow':5A 'privileg':12A 'report':3A 'user':9A 'window':1A","search_b":"'account':37B 'attack':32B 'base':28B 'buffer':29B 'elev':42B 'error':22B 'exist':35B 'heap':27B 'heap-bas':26B 'infrastructur':19B 'local':36B 'machin':47B 'overflow':30B 'privileg':44B 'report':23B 'use':39B 'window':20B,21B","search_c":"'allow':57C 'attack':60C 'author':59C 'base':50C 'buffer':51C 'elev':62C 'error':55C 'heap':49C 'heap-bas':48C 'local':64C 'overflow':52C 'privileg':63C 'report':56C 'window':54C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:22:12+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:L/AC:H/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-2026-96153","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-96153","severity":null,"published_at":"2026-11-10T19:22:12+00:00","modified_at":"2026-11-10T19:22:12+00:00","first_seen_at":"2026-11-10T19:25:32+00:00","fetched_at":"2026-11-10T19:25:32+00:00","note":null},{"source":"analyst","external_id":"CVE-2026-96153:2567","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-96153","severity":null,"published_at":"2026-11-10T19:51:22+00:00","modified_at":"2026-11-10T19:51:22+00:00","first_seen_at":"2026-11-10T19:51:22+00:00","fetched_at":"2026-11-10T19:51:22+00:00","note":"Could not read MSRC (JS-only page; CVRF too large) or NVD body via WebFetch; no builds/KB confirmed, nothing verified. NVD linked as describes. Fix and affected builds unknown: settle with MSRC Update Guide entry for this CVE. web-cli tool unavailable, X not checked. CVSS 7.0 AV:L/AC:H/PR:L, no exploitation recorded.","cites":["https://nvd.nist.gov/vuln/detail/CVE-2026-96153"]}],"documents":[{"id":117703,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-96153","title":"NVD CVE-2026-96153","kind":"advisory","source":"analyst","publisher":null,"text":null,"published_at":null,"relation":"describes","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"}