Sightings

Author Source Vulnerability Type Date Other
sync_user https://www.kyberturvallisuuskeskus.fi/fi/varoitus-exchangen-hyvaksikaytetty-haavoittuvuus CVE-2021-26857 seen 2026-03-17 14:55:24
sync_user https://www.govcert.gov.hk/en/alerts_detail.php?id=556 CVE-2021-26857 seen 2026-03-17 14:55:15
cedric https://vulnerability.circl.lu/known-exploited-vulnerabilities-catalog/58567887-2b30-4137-bd30-4b67fe4d29ec CVE-2021-26857 exploited 2026-02-02 12:28:57
cedric https://gist.github.com/Darkcrai86/9c5365908f4220758149d88783ef4767 CVE-2021-26857 seen 2025-09-02 10:30:13
cedric MISP/3c19819c-1dac-4ef2-bfed-be5efa7e0123 CVE-2021-26857 seen 2025-02-23 02:09:53
cedric https://feedsin.space/feed/CISAKevBot/items/2970976 CVE-2021-26857 seen 2024-12-24 20:22:33
cedric MISP/ffea72a3-7935-4078-b769-b872475c5eae CVE-2021-26857 seen 2024-11-27 08:28:21
cedric MISP/cec219ff-8f6d-45c9-bdbb-b4fb8c9c0f2b CVE-2021-26857 seen 2023-09-20 10:44:13
cedric MISP/3c19819c-1dac-4ef2-bfed-be5efa7e0123 CVE-2021-26857 seen 2021-11-20 09:53:52
cedric MISP/f5030aca-7d5a-43a4-ae03-8f4ac8e85422 CVE-2021-26857 seen 2021-11-08 08:58:19
displaying 1 - 10 sightings in total 22

If a line is highlighted in yellow, it indicates that the vulnerability advisory has not yet been published.

Sightings Sources.