GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration
Community

Sightings

Recent sightings
Author Source Vulnerability Type Date Other
sync_user https://t.me/wh_lab/59 CVE-2021-26858 published-proof-of-concept 2026-08-06 00:00:43
sync_user https://t.me/wh_lab/59 CVE-2021-26858 seen 2026-08-05 00:00:40
sync_user https://t.me/wh_lab/59 CVE-2021-26858 seen 2026-08-04 13:00:24
sync_user MISP/cec219ff-8f6d-45c9-bdbb-b4fb8c9c0f2b CVE-2021-26858 seen 2026-07-24 00:15:03
sync_user MISP/cec219ff-8f6d-45c9-bdbb-b4fb8c9c0f2b CVE-2021-26858 seen 2026-07-23 21:15:03
sync_user https://t.me/EchelonEyes/232 CVE-2021-26858 seen 2026-07-18 00:00:38
sync_user https://t.me/EchelonEyes/232 CVE-2021-26858 seen 2026-07-17 05:00:05
cedric https://db.gcve.eu/known-exploited-vulnerabilities-catalog/000a7ae3-012f-4f8c-be3a-0d29f25964b5 CVE-2021-26858 exploited 2026-06-23 11:13:12
sync_user MISP/d6af00ee-c1eb-44fd-8cc5-6fb794d5ddd4 CVE-2021-26858 seen 2026-04-27 17:54:24
sync_user https://www.kyberturvallisuuskeskus.fi/fi/varoitus-exchangen-hyvaksikaytetty-haavoittuvuus CVE-2021-26858 seen 2026-03-17 14:55:26
displaying 1 - 10 sightings in total 43

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

Sightings Sources.