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1 story tagged patch-management.

Splunk CVE-2026-20253 timeline showing day 0 disclosure on June 10, day 2 public technical write-up on June 12, day 8 CISA KEV addition on June 18, and day 11 federal due date on June 21.

Splunk CVE-2026-20253 puts SIEMs on a 72-hour clock

Splunk CVE-2026-20253 is an actively exploited critical flaw. Patch exposed Enterprise 10.0 and 10.2 nodes by June 21.

Lars Cornelissen · Jun 21, 2026