{"id":"CVE-2026-26135","aliases":["EUVD-2026-18556","GHSA-88cw-hhx8-8crw"],"status":"published","title":"Azure Custom Locations Resource Provider (RP) Elevation of Privilege Vulnerability","description":"Server-side request forgery (ssrf) in Azure Custom Locations Resource Provider (RP) allows an authorized attacker to elevate privileges over a network.","severity":{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00606,"percentile":0.49352,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-918"],"published":"2026-04-02T23:26:58Z","modified":"2026-10-15T15:53:51Z","products":[{"vendor":"microsoft","product":"azure custom locations resource provider"},{"vendor":"microsoft","product":"azure_custom_locations_resource_provider"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26135","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-26135"},{"url":"https://github.com/advisories/GHSA-88cw-hhx8-8crw"}],"sources":{"cve":[{"id":"CVE-2026-26135","title":"Azure Custom Locations Resource Provider (RP) Elevation of Privilege Vulnerability","description":"Server-side request forgery (ssrf) in Azure Custom Locations Resource Provider (RP) allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-04-02T23:26:58.697Z","modified":"2026-10-15T15:53:51.099Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C","level":"critical","assessor":"cna"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T13:38:20.971157Z"}],"euvd":[{"id":"EUVD-2026-18556","description":"Server-side request forgery (ssrf) in Azure Custom Locations Resource Provider (RP) allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-04-02T23:26:58Z","modified":"2026-10-15T15:53:51Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C","level":"critical"}],"updated_at":"2026-11-02T17:00:12.42385Z"}],"ghsa":[{"id":"GHSA-88cw-hhx8-8crw","title":"Server-side request forgery (ssrf) in Azure Custom Locations Resource Provider (RP) allows an...","description":"Server-side request forgery (ssrf) in Azure Custom Locations Resource Provider (RP) allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-04-03T00:31:09Z","modified":"2026-04-03T00:31:14Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N","level":"critical"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T15:07:08.460272Z"}],"nvd":[{"id":"CVE-2026-26135","description":"Server-side request forgery (ssrf) in Azure Custom Locations Resource Provider (RP) allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-04-03T00:16:04.353Z","modified":"2026-07-24T21:10:00.143Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N","level":"critical","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:12:12.73929Z"}]}}