Cisco IOS XR Software Security Hardening Release: September 2026

Classification: Critical, Solution: Official Fix, Exploit Maturity: Not Defined, CVSSv3.1: 9.8, CVEs: CVE-2026-20274, CVE-2026-20275, CVE-2026-20276, CVE-2026-20277, CVE-2026-20278, CVE-2026-20279, CVE-2026-20280, Summary: As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XR Software engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered…

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2 zprávy z 2 zdrojů · první 2. 9. 18:00 · poslední 3. 9. 04:00 CZ · EN/orig

Cisco FI US

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CVE v události 7

CVE	hodnocení	KEV	EPSS
CVE-2026-20274	9.8 3.1 · cisco	–	0.01
CVE-2026-20275	8.8 3.1 · cisco	–	0.00
CVE-2026-20276	8.6 3.1 · cisco	–	0.00
CVE-2026-20277	8.2 3.1 · cisco	–	0.00
CVE-2026-20278	8.8 3.1 · cisco	–	0.00
CVE-2026-20279	9.8 3.1 · cisco	–	0.00
CVE-2026-20280	8.8 3.1 · cisco	–	0.00

Hodnocení z katalogů, všechna, se stupnicí CVSS a vydavatelem. Rozpad vektoru je na stránce CVE. Advisory v textu uvádí CVSS 9.8.

Jak se o tom psalo 2

3. 9. 2026 04:00 · NCSC-FI FI nadpis události

Cisco IOS XR Software Security Hardening Release: September 2026

Classification: Critical, Solution: Official Fix, Exploit Maturity: Not Defined, CVSSv3.1: 9.8, CVEs: CVE-2026-20274, CVE-2026-20275, CVE-2026-20276, CVE-2026-20277, CVE-2026-20278, CVE-2026-20279, CVE-2026-20280, Summary: As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XR Software engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered…
2. 9. 2026 18:00 · Cisco PSIRT US

Cisco IOS XR Software Security Hardening Release: September 2026

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XR Software engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. These vulnerabilities were found during internal testing and are not known to be actively exploited. To assist customers in patching and streamline the disclosure process, Cisco has grouped these issues by…