Cisco bug severity warning reads like Olympic gymnastics scores: 10, 10, 9.9, 9.6, and 7.5.

Cisco has revealed its Secure Workload Software, a micro-segmentation tool formerly known as Tetration that is supposed to stop attackers moving laterally across a network, has four critical flaws plus another high-severity bug. CVE-2026-20315 and CVE-2026-20317 are the two perfect-ten-rated bugs. Both relate to improper access control. Cisco has not offered much detail about either, saying only that 20315 “covers authorization, authentication, privileges, and bypasses” and that 2031