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Cisco Patches Nine Critical Flaws, Five Rated CVSS 10.0

Cisco Patches Nine Critical Flaws, Five Rated CVSS 10.0

First seen 21 Aug 2026, 11:17 UTC • •

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ThreatCluster AI
ThreatCluster •August 22, 2026 at 10:18 UTC
  • •Cisco patched nine critical vulnerabilities, five rated CVSS 10.0.
  • •Flaws include access-control and SQL injection issues affecting Secure Workload and Crosswork.
  • •No known exploitation of these vulnerabilities has been reported.

Cisco has released patches for nine critical vulnerabilities across its Secure Workload and Crosswork platforms. Among these, five vulnerabilities received a maximum CVSS score of 10.0, indicating severe access-control and SQL injection issues. The flaws were identified during an internal security review, and none are currently known to be exploited. Affected customers include both SaaS and on-premises users of Cisco products. The vulnerabilities highlight significant security risks that require immediate attention from system administrators. Cisco has urged users to apply the updates promptly to mitigate potential threats.

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Timeline

2026-08-21
Cisco patches nine critical flaws
Cisco released patches for nine vulnerabilities, five of which are rated CVSS 10.0, affecting Secure Workload and Crosswork platforms.
Feeds.4Sysops
2026-08-21
Internal security review reveals vulnerabilities
Cisco's internal testing uncovered nine critical flaws, prompting immediate patch releases for affected products.
Securityaffairs.Co

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