https://vulnerability.circl.lu/sightings/feed 2026-07-24T22:52:29.181027+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent sightings. https://vulnerability.circl.lu/sighting/87d28eb2-27e0-4019-888d-f7e9f616671c/export 2026-07-24T22:52:29.193994+00:00 Automation user https://vulnerability.circl.lu/user/automation {"uuid": "87d28eb2-27e0-4019-888d-f7e9f616671c", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-50517", "type": "seen", "source": "https://bsky.app/profile/offseq.bsky.social/post/3mreofh7pr42x", "content": "Microsoft 365 Copilot faces a CRITICAL deserialization vulnerability (CVSS 9.9) allowing remote code execution. Microsoft has applied a server-side fix \u2014 ensure your service is compliant. https://radar.offseq.com/threat/cve-2026-50517-cwe-502-deserialization-of-untrusted-data-in-microsoft-microso...", "creation_timestamp": "2026-07-24T06:00:28.246204Z"} 2026-07-24T06:00:28.246204+00:00 https://vulnerability.circl.lu/sighting/ee832ade-f8c4-4b27-b3e3-d91122501d4b/export 2026-07-24T22:52:29.197855+00:00 Automation user https://vulnerability.circl.lu/user/automation {"uuid": "ee832ade-f8c4-4b27-b3e3-d91122501d4b", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-50517", "type": "seen", "source": "https://infosec.exchange/users/offseq/statuses/116973425505418571", "content": "CVE-2026-50517: CRITICAL deserialization flaw (CVSS 9.9) in Microsoft 365 Copilot permits remote code execution by authorized attackers. Microsoft has issued a server-side fix \u2014 confirm your environment is protected. https://radar.offseq.com/threat/cve-2026-50517-cwe-502-deserialization-of-untrusted-data-in-microsoft-microsoft-365-copilot-71d778a5726cf6f5 #OffSeq #Microsoft365 #CloudSecurity #CVE202650517", "creation_timestamp": "2026-07-24T06:00:26.358708Z"} 2026-07-24T06:00:26.358708+00:00 https://vulnerability.circl.lu/sighting/cbf389b5-6e01-4a11-98ee-909a04be4405/export 2026-07-24T22:52:29.198092+00:00 Automation user https://vulnerability.circl.lu/user/automation {"uuid": "cbf389b5-6e01-4a11-98ee-909a04be4405", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-50517", "type": "seen", "source": "https://bsky.app/profile/stackflag.bsky.social/post/3mre3lxvk4l2q", "content": "CVE-2026-50517 - microsoft 365 copilot\nMicrosoft M365 Copilot has a security weakness that could allow an authorized user to execute unauthorized code on a network. This could potentially allow the attacker to\u2026\n\nToo many irrelevant or confusing CVEs? Use stackflag.com\n\n#microsoft #CVE #infosec", "creation_timestamp": "2026-07-24T00:24:05.347470Z"} 2026-07-24T00:24:05.347470+00:00