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AMD security advisory (AV26-455)

Cyber.Gc.Ca • May 12, 2026

On May 12, 2025, AMD published security advisories to address vulnerabilities in multiple products.

The Cyber Centre encourages users and administrators to review the provided web link, perform the suggested mitigations and apply the necessary updates.

The full story

This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Cisco Advises on Critical Vulnerability CVE-2026-20182 with Active Exploitation On May 14, 2026, Cisco released a security advisory addressing critical vulnerabilities, specifically CVE-2026-20182, which has been confirmed to have limited exploitation. The Cybersecurity and Infrastructure Security Agency (CISA) added this CVE to their Known Exploited Vulnerabilities (KEV) Database on the same day. Users and administrators of affected Cisco products are urged to review the advisory and apply necessary updates. The advisory highlights the importance of immediate action to mitigate potential risks associated with this vulnerability. The scope of impact includes various Cisco products, although specific systems affected were not detailed in the advisory. The advisory serves as a critical reminder for organizations to maintain up-to-date security practices. 2 sources 73

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AMD