{"vulnerability": "CVE-2026-21986", "sightings": [{"uuid": "fa5dbd28-f354-411f-b87d-f0b294ffeb74", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2026-21986", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3mcvbvsnikk2h", "content": "", "creation_timestamp": "2026-01-20T23:14:19.210462Z"}, {"uuid": "5cdc2582-57b9-437f-9a95-8f3ec0fc62b2", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2026-21986", "type": "seen", "source": "https://gist.github.com/Darkcrai86/e3e6dfc26294ac1b3a03704f880747bc", "content": "", "creation_timestamp": "2026-01-21T07:49:51.000000Z"}, {"uuid": "a732c3b5-081e-4282-a859-3a0feb20dfca", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2026-21986", "type": "seen", "source": "https://bsky.app/profile/o2cloud.bsky.social/post/3mcx3jeuaqh2n", "content": "", "creation_timestamp": "2026-01-21T16:25:20.144782Z"}, {"uuid": "9c032041-8a77-4a5e-9190-f2e1f876f942", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2026-21986", "type": "seen", "source": "https://vulnerability.circl.lu/bundle/bbcbc485-b88d-4831-b8e9-6e37e7bd9875", "content": "", "creation_timestamp": "2026-01-21T21:18:16.771453Z"}, {"uuid": "420ac928-bc17-4c9c-b552-834f97ae9c8f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2026-21986", "type": "published-proof-of-concept", "source": "https://t.me/GithubRedTeam/81870", "content": "\ud83d\udea8 GitHub \u76d1\u63a7\u6d88\u606f\u63d0\u9192\n\n\ud83d\udea8 \u53d1\u73b0\u5173\u952e\u8bcd\uff1a #CVE-2026\n\n\ud83d\udce6 \u9879\u76ee\u540d\u79f0\uff1a CVE-2026-21986-VirtualBox-DoS\n\ud83d\udc64 \u9879\u76ee\u4f5c\u8005\uff1a MohaBars\n\ud83d\udee0 \u5f00\u53d1\u8bed\u8a00\uff1a C++\n\u2b50 Star\u6570\u91cf\uff1a 0  |  \ud83c\udf74 Fork\u6570\u91cf\uff1a 0\n\ud83d\udcc5 \u66f4\u65b0\u65f6\u95f4\uff1a 2026-04-27 21:08:19\n\n\ud83d\udcdd \u9879\u76ee\u63cf\u8ff0\uff1a\nCVE-2026-21986: VirtualBox Shared Folders kernel memory exhaustion DoS\n\n\ud83d\udd17 \u70b9\u51fb\u8bbf\u95ee\u9879\u76ee\u5730\u5740", "creation_timestamp": "2026-04-27T22:00:04.000000Z"}]}