Cisco Advance Notification for Publication of September 2, 2026, Security Advisories
On September 2, 2026, the Cisco Product Security Incident Response Team (PSIRT) published the following advisories: Cisco Security Advisory CVE ID Security Impact Rating CVSS Base Score Cisco IOS XR Software Security Hardening Release: September 2026 CVE-2026-20277 CVE-2026-20278 CVE-2026-20280 CVE-2026-20279 CVE-2026-20276 CVE-2026-20275 CVE-2026-20274 Critical 9.8 Cisco Nexus 9000 Series Switches Silicon One Remote Code Execution Vulnerability CVE-2026-20212 Critical 9.8 Cisco Desk Phone 9800 Series, IP Phone 7800 and 8800 Series, and Video Phone 8875 with SIP Software Denial of Service Vuln
Read at Cisco PSIRT Security Advisories
- Vendor
- Cisco
- Product
- IOS XE / IOS XR / NX-OS
- Fix
- available
- Exposure class
- Edge / VPN / firewall, Mobile OS
Why it ranks 31 (Notable)
- Exposed product class: edge / VPN / firewall
- Widely deployed vendor product (Cisco)
- Fix available
- Vendor security advisory
- Recency: items published within 24 hours gain 15, within 72 hours 6, within 7 days 2.
Links
- Cisco PSIRT Security Advisories (sec.cloudapps.cisco.com)
Related coverage
Other items that share a CVE or were clustered with this one.