{"metadata": {"vulnerability": "CVE-2021-26900", "count": 21, "kinds": {"milestone": 6, "sighting": 4, "kev": 0, "other": 11}}, "data": [{"timestamp": "2021-02-08T00:00:00Z", "date_only": false, "value": "2021-02-08T00:00:00.000Z", "kind": "milestone", "label": "Reserved", "source": "cvelistv5", "record": "CVE-2021-26900", "field": "cveMetadata.dateReserved"}, {"timestamp": "2021-03-09T16:00:00Z", "date_only": false, "value": "2021-03-09T16:00:00.000Z", "kind": "other", "label": "Made public", "source": "cvelistv5 / microsoft", "record": "CVE-2021-26900", "field": "containers.cna.datePublic"}, {"timestamp": "2021-03-10T00:00:00Z", "date_only": false, "value": "2021-03-10T00:00:00", "kind": "other", "label": "Last revision date", "source": "certfr_avis \u00b7 CERTFR-2021-AVI-181", "record": "CERTFR-2021-AVI-181", "field": "last_revision_date"}, {"timestamp": "2021-03-10T00:00:00Z", "date_only": false, "value": "2021-03-10T00:00:00", "kind": "milestone", "label": "Published", "source": "certfr_avis \u00b7 CERTFR-2021-AVI-181", "record": "CERTFR-2021-AVI-181", "field": "initial_release_date"}, {"timestamp": "2021-03-10T00:00:00Z", "date_only": false, "value": "2021-03-10T00:00:00.000000", "kind": "other", "label": "Revision date", "source": "certfr_avis \u00b7 CERTFR-2021-AVI-181", "record": "CERTFR-2021-AVI-181", "field": "revisions.0.revision_date"}, {"timestamp": "2021-03-11T15:44:10Z", "date_only": false, "value": "2021-03-11T15:44:10.000Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "CVE-2021-26900", "field": "cveMetadata.datePublished"}, {"timestamp": "2021-03-11T16:15:00Z", "date_only": false, "value": "2021-03-11T16:15:00Z", "kind": "other", "label": "Nvd published at", "source": "github \u00b7 GHSA-95M3-VM2V-9VF3", "record": "GHSA-95M3-VM2V-9VF3", "field": "database_specific.nvd_published_at"}, {"timestamp": "2021-03-11T16:15:16.567Z", "date_only": false, "value": "2021-03-11T16:15:16.567", "kind": "milestone", "label": "Published", "source": "fkie_nvd \u00b7 FKIE_CVE-2021-26900", "record": "FKIE_CVE-2021-26900", "field": "published"}, {"timestamp": "2021-03-11T16:15:16.567Z", "date_only": false, "value": "2021-03-11T16:15:16.567", "kind": "milestone", "label": "Published", "source": "gsd \u00b7 GSD-2021-26900", "record": "GSD-2021-26900", "field": "namespaces.nvd.nist.gov.cve.published"}, {"timestamp": "2022-05-24T17:44:22Z", "date_only": false, "value": "2022-05-24T17:44:22Z", "kind": "milestone", "label": "Published", "source": "github \u00b7 GHSA-95M3-VM2V-9VF3", "record": "GHSA-95M3-VM2V-9VF3", "field": "published"}, {"timestamp": "2022-09-03T08:45:45Z", "date_only": false, "value": "2022-09-03T08:45:45.000000Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/R0_Crew/1957", "record": "CVE-2021-26900", "field": "creation_timestamp", "uuid": "82a9f3e3-f24a-4710-8f73-9b4b8ad2226a", "content": "Zero Day Initiative \u2014 CVE-2021-26900: Privilege Escalation Via a Use After Free Vulnerability In win32k https://www.zerodayinitiative.com/blog/2021/5/3/cve-2021-26900-privilege-escalation-via-a-use-after-free-vulnerability-in-win32k #exploitation #windows #dukeBarman", "url": "https://t.me/R0_Crew/1957"}, {"timestamp": "2023-12-13T01:23:33.719Z", "date_only": false, "value": "2023-12-13T01:23:33.719480Z", "kind": "other", "label": "Updated", "source": "gsd \u00b7 GSD-2021-26900", "record": "GSD-2021-26900", "field": "gsd.osvSchema.modified"}, {"timestamp": "2023-12-29T20:15:57.813Z", "date_only": false, "value": "2023-12-29T20:15:57.813", "kind": "other", "label": "Updated", "source": "gsd \u00b7 GSD-2021-26900", "record": "GSD-2021-26900", "field": "namespaces.nvd.nist.gov.cve.lastModified"}, {"timestamp": "2024-05-07T14:22:54Z", "date_only": false, "value": "2024-05-07T14:22:54.000000Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/CyberSecurityTechnologies/3299", "record": "CVE-2021-26900", "field": "creation_timestamp", "uuid": "3f96a546-25a4-4834-b6b1-12cf0ae3e6b0", "content": "#Threat_Research\n1. Privilege Escalation Via a UaF Vulnerability in win32k (PoC for CVE-2021-26900, CVE-2020-1381)\nhttps://www.zerodayinitiative.com/blog/2021/5/3/cve-2021-26900-privilege-escalation-via-a-use-after-free-vulnerability-in-win32k\n2. Authentication bypass flaw affects HPE Edgeline Infrastructure Manager (EIM) ver.1.21\nhttps://securityaffairs.co/wordpress/117513/security/hpe-edgeline-infrastructure-manager-flaw.html\n3. Anatomy of a Java Bytecode Exploit\nhttps://blog.polybdenum.com/2021/05/05/how-i-hacked-google-app-engine-anatomy-of-a-java-bytecode-exploit.html", "url": "https://t.me/CyberSecurityTechnologies/3299"}, {"timestamp": "2024-08-03T20:33:41.480Z", "date_only": false, "value": "2024-08-03T20:33:41.480Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / CVE", "record": "CVE-2021-26900", "field": "containers.adp.0.providerMetadata.dateUpdated"}, {"timestamp": "2026-08-19T16:30:38.723Z", "date_only": false, "value": "2026-08-19T16:30:38.723Z", "kind": "other", "label": "Updated", "source": "cvelistv5", "record": "CVE-2021-26900", "field": "cveMetadata.dateUpdated"}, {"timestamp": "2026-08-19T16:30:38.723Z", "date_only": false, "value": "2026-08-19T16:30:38.723Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / microsoft", "record": "CVE-2021-26900", "field": "containers.cna.providerMetadata.dateUpdated"}, {"timestamp": "2026-08-19T17:17:46.917Z", "date_only": false, "value": "2026-08-19T17:17:46.917", "kind": "other", "label": "Updated", "source": "fkie_nvd \u00b7 FKIE_CVE-2021-26900", "record": "FKIE_CVE-2021-26900", "field": "lastModified"}, {"timestamp": "2026-08-19T18:31:33Z", "date_only": false, "value": "2026-08-19T18:31:33Z", "kind": "other", "label": "Updated", "source": "github \u00b7 GHSA-95M3-VM2V-9VF3", "record": "GHSA-95M3-VM2V-9VF3", "field": "modified"}, {"timestamp": "2026-09-01T17:00:50.880Z", "date_only": false, "value": "2026-09-01T17:00:50.880727Z", "kind": "sighting", "label": "Seen", "source": "https://t.me/cissp/3138", "record": "CVE-2021-26900", "field": "creation_timestamp", "uuid": "52bc310d-f0a0-46e5-85eb-7f8f8ad8dc9b", "url": "https://t.me/cissp/3138"}, {"timestamp": "2026-09-11T07:00:04.770Z", "date_only": false, "value": "2026-09-11T07:00:04.770344Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/cissp/3138", "record": "CVE-2021-26900", "field": "creation_timestamp", "uuid": "49f412c5-4ba1-45f0-9cf5-9c428504ea6d", "url": "https://t.me/cissp/3138"}]}