{"id":"CVE-2023-36874","kind":"vulnerability","aliases":["CVE-2023-36874"],"related":[],"title":"Windows Error Reporting Service Elevation of Privilege Vulnerability","description":"Microsoft Windows Error Reporting Service contains an unspecified vulnerability that allows for privilege escalation.\n\nCISA required action: Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.","summary":"Microsoft Windows Error Reporting Service has an unspecified flaw that lets a local user escalate privileges. CISA lists it as actively exploited in the wild.","severity":"high","cvss":7.8,"epss":null,"exploited":true,"exploited_at":"2023-07-11T00:00:00+00:00","products":[{"name":"Microsoft Windows","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"microsoft windows 10 1507","fixed":["10.0.10240.20048"],"affected":"< 10.0.10240.20048","ecosystem":"vendor"},{"name":"microsoft windows 10 1607","fixed":["10.0.14393.6085"],"affected":"< 10.0.14393.6085","ecosystem":"vendor"},{"name":"microsoft windows 10 1809","fixed":["10.0.17763.4645"],"affected":"< 10.0.17763.4645","ecosystem":"vendor"},{"name":"microsoft windows 10 21h2","fixed":["10.0.19041.3208"],"affected":"< 10.0.19041.3208","ecosystem":"vendor"},{"name":"microsoft windows 10 22h2","fixed":["10.0.19045.3208"],"affected":"< 10.0.19045.3208","ecosystem":"vendor"},{"name":"microsoft windows 11 21h2","fixed":["10.0.22000.2176"],"affected":"< 10.0.22000.2176","ecosystem":"vendor"},{"name":"microsoft windows 11 22h2","fixed":["10.0.22621.1992"],"affected":"< 10.0.22621.1992","ecosystem":"vendor"},{"name":"microsoft windows server 2008","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"microsoft windows server 2008","fixed":[],"affected":"= r2","ecosystem":"vendor"},{"name":"microsoft windows server 2012","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"microsoft windows server 2012","fixed":[],"affected":"= r2","ecosystem":"vendor"},{"name":"microsoft windows server 2016","fixed":["10.0.14393.6085"],"affected":"< 10.0.14393.6085","ecosystem":"vendor"},{"name":"microsoft windows server 2019","fixed":["10.0.17763.4645"],"affected":"< 10.0.17763.4645","ecosystem":"vendor"},{"name":"microsoft windows server 2022","fixed":["10.0.20348.1850"],"affected":"< 10.0.20348.1850","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["exploited","infrastructure","windows"],"not_affected_if":["non-windows"],"how_to_check":null,"fix":"Apply the Microsoft Windows update for CVE-2023-36874 per vendor instructions; if updates are unavailable, discontinue use of the product (per CISA).","status":"open","published_at":"2023-07-11T00:00:00+00:00","first_seen_at":"2026-10-23T19:11:51+00:00","triaged_at":"2026-10-23T21:06:22+00:00","updated_at":"2026-10-23T22:29:04+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-10-23T21:06:22Z","model":"claude-haiku-5-5","output":{"fix":"Apply the Microsoft Windows update for CVE-2023-36874 per vendor instructions; if updates are unavailable, discontinue use of the product (per CISA).","reach":"local","impact":"high","summary":"Microsoft Windows Error Reporting Service has an unspecified flaw that lets a local user escalate privileges. CISA lists it as actively exploited in the wild.","category":"infrastructure","who_cares":["windows"],"confidence":0.6,"needs_auth":"yes","worst_case":"Local low-privilege user gains elevated system privileges on the Windows host.","analyst_note":"Sources do not name affected Windows versions or the patch KB; check the Microsoft Security Update Guide entry for CVE-2023-36874 and the CISA KEV page.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["non-windows"],"user_interaction":"unknown","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000451,"input_tokens":2802,"output_tokens":341,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2023':10A,13A '-36874':11A,14A '10':19A,23A,27A,31A,35A '11':39A,43A '1507':20A '1607':24A '1809':28A '2008':48A,52A '2012':56A,60A '2016':64A '2019':68A '2022':72A '21h2':32A,40A '22h2':36A,44A 'action':117C 'activ':96B 'allow':111C 'appli':118C 'cisa':92B,115C 'contain':106C 'cve':9A,12A 'discontinu':124C 'elev':5A 'error':2A,78B,103C 'escal':90B,114C 'exploit':73B,97B 'flaw':84B 'infrastructur':74B 'instruct':122C 'let':86B 'list':93B 'local':88B 'microsoft':15A,17A,21A,25A,29A,33A,37A,41A,45A,49A,53A,57A,61A,65A,69A,76B,101C 'per':120C 'privileg':7A,91B,113C 'product':128C 'report':3A,79B,104C 'requir':116C 'server':47A,51A,55A,59A,63A,67A,71A 'servic':4A,80B,105C 'unavail':132C 'unspecifi':83B,108C 'updat':119C,130C 'use':125C 'user':89B 'vendor':121C 'vulner':8A,109C 'wild':100B 'window':1A,75B,77B,102C 'windows':16A,18A,22A,26A,30A,34A,38A,42A,46A,50A,54A,58A,62A,66A,70A","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2023-07-11T00:00:00+00:00","kev":{"dateAdded":"2023-07-11","dueDate":"2023-08-01","requiredAction":"Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.","knownRansomwareCampaignUse":"Unknown"},"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":"kev","external_id":"CVE-2023-36874","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2023-36874","severity":null,"published_at":"2023-07-11T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:51+00:00","fetched_at":"2026-10-25T12:39:23+00:00","note":null},{"source":"nvd","external_id":"CVE-2023-36874","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-36874","severity":null,"published_at":"2023-07-11T18:15:20+00:00","modified_at":"2026-06-17T06:07:16+00:00","first_seen_at":"2026-10-23T22:29:04+00:00","fetched_at":"2026-10-23T22:29:04+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}