Cisco Security Hardening Updates - 20260807001¶
Overview¶
Cisco have released August security hardening updates for their Catalyst and IOS products, addressing multiple critically rated vulnerabilities.
What is vulnerable?¶
| Product(s) Affected | Version(s) | CVE | CVSS | Severity |
|---|---|---|---|---|
| Cisco Catalyst Cisco IOS |
Vendor listed versions | CVE-2026-20303 CVE-2026-20304 CVE-2026-20272 CVE-2026-20310 CVE-2026-20267 |
9.9 9.9 9.8 9.1 9.0 |
Critical Critical Critical Critical Critical |
What has been observed?¶
The WA SOC has not received any reports of exploitation of this vulnerability on Western Australian Government networks at the time of writing.
Recommendation¶
The WASOC recommends administrators apply the solutions as per vendor instructions to all affected devices within expected timeframes (refer Patch Management):