{"id":"CVE-2023-36874","published":"2023-07-11T18:15:20Z","modified":"2026-06-17T06:07:16Z","title":"Microsoft Windows Error Reporting Service Privilege Escalation Vulnerability","vendor":"Microsoft","product":"Windows","tier":"core","eol":null,"description":{"text":"Windows Error Reporting Service Elevation of Privilege Vulnerability","provenance":"source","from":"NVD"},"summary":{"text":"A flaw in the Windows Error Reporting Service of Microsoft Windows allows privilege escalation, rooted in improper link resolution before file access. An attacker with local access and low-privileged credentials, requiring no user interaction, can exploit it to gain elevated privileges on the affected system.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-31T04:54:38Z"},"cvss":{"score":7.8,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.42564,"percentile":0.98708,"date":"2026-10-30","provenance":"source"},"kev":{"dateAdded":"2023-07-11","dueDate":"2023-08-01","ransomware":false,"requiredAction":"Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.","notes":"https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-36874;  https://nvd.nist.gov/vuln/detail/CVE-2023-36874","provenance":"source"},"vulncheckKev":{"dateAdded":"2023-06-30","exploitedFirstSeen":"2023-06-30","ransomware":false,"evidence":[{"url":"https://docs.google.com/spreadsheets/d/1lkNJ0uQwbeC1ZTRrxdtuPLCIl7mlUreoKfSIgajnSyY/edit","date":"2023-06-30"},{"url":"https://api.msrc.microsoft.com/cvrf/v3.0/cvrf/2023-Jul","date":"2023-07-11"},{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2023-07-11"},{"url":"https://www.crowdstrike.com/blog/falcon-complete-zero-day-exploit-cve-2023-36874/","date":"2023-08-10"},{"url":"https://ti.qianxin.com/uploads/2024/02/02/dcc93e586f9028c68e7ab34c3326ff31.pdf","date":"2024-02-02"},{"url":"https://bi.zone/upload/for_download/Threat_Zone_2024_BI.ZONE_Research_rus.pdf","date":"2024-04-04"},{"url":"https://securelist.com/vulnerability-report-q1-2024/112554/","date":"2024-05-07"},{"url":"https://securelist.com/exploits-and-vulnerabilities-q3-2024/114839/","date":"2024-12-06"},{"url":"https://www.crowdstrike.com/explore/2026-global-threat-report","date":"2026-02-24"}],"evidenceTotal":9,"provenance":"source"},"exploited":true,"otx":{"pulseCount":50,"pulses":[{"name":"Actively_Exploited_Kev 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2026","url":"https://otx.alienvault.com/pulse/6ad62f63c24a405a3423cc13","created":"2026-10-19"},{"name":"Actively_Exploited_Kev | Oct 19, 2026","url":"https://otx.alienvault.com/pulse/6ad4dda174e5797d0bd238b7","created":"2026-10-18"},{"name":"Actively_Exploited_Kev | Oct 18, 2026","url":"https://otx.alienvault.com/pulse/6ad38c22e1848f8189d1c121","created":"2026-10-17"}],"provenance":"machine"},"cwes":[{"id":"CWE-59","name":"Improper Link Resolution Before File Access"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36874","tags":["Patch","Vendor Advisory"]},{"url":"http://packetstormsecurity.com/files/174843/Microsoft-Error-Reporting-Local-Privilege-Elevation.html","tags":["Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36874","tags":["Patch","Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-36874","tags":["US Government 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expert-reviewed)"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2023-40794","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-40794","exploited":true,"exploitedSince":"2023-07-11","provenance":"source"},"exploits":[],"exploitSources":{"pocGithub":{"count":5,"skipped":0,"earliest":"2023-08-20","earliestUrl":"https://github.com/d0rb/CVE-2023-36874","repos":[{"name":"Wh04m1001/CVE-2023-36874","url":"https://github.com/Wh04m1001/CVE-2023-36874","stars":243,"created":"2023-08-23"},{"name":"Octoberfest7/CVE-2023-36874_BOF","url":"https://github.com/Octoberfest7/CVE-2023-36874_BOF","stars":205,"created":"2023-08-24"},{"name":"d0rb/CVE-2023-36874","url":"https://github.com/d0rb/CVE-2023-36874","stars":79,"created":"2023-08-20"},{"name":"crisprss/CVE-2023-36874","url":"https://github.com/crisprss/CVE-2023-36874","stars":2,"created":"2023-08-22"},{"name":"johnnygreeme/CVE-2023-36874","url":"https://github.com/johnnygreeme/CVE-2023-36874","stars":0,"created":"2026-08-03"}]},"metasploit":[{"name":"Microsoft 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