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Wire · regulatory

Cisco hit by max severity zero-day exploit targeting Identity Services Engine, so it's time to patch up

Published

17 September 2026

Topic

regulatory

◆ Sectors

CybersecurityIdentity & AccessSecurity Infrastructure

◆ Geography

United States

◆ Source

Read at tech.yahoo.com →

◆ Verified

Fusion42 · 17 September 2026 · Fusion42 review

A critical zero-day vulnerability has been discovered in Cisco's Identity Services Engine, requiring urgent patching to prevent exploitation.

This Wire brief sits within Fusion42's coverage of Cybersecurity, Identity & Access and Security Infrastructure.

◆ ◆ The Wire takeaway

Your security infrastructure is vulnerable without immediate patching. Cisco customers must update now or face active exploitation risks.

◆ Coverage

1 source · 17 Sep 2026

◆ Related on Wire

◆ Topics

CybersecurityIdentity & AccessSecurity Infrastructureciscozero-daysecurity-patchvulnerabilitycybersecurity