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Vendor advisories

Security advisories from the vendors you use.

Search new and updated bulletins from Microsoft, Citrix, Cisco, Palo Alto Networks, Fortinet, Ivanti, Delinea, Ubuntu, and AWS. We keep each vendor's advisory ID, affected products, CVEs, severity, dates, and available fix guidance together.

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9Vendor sources
4,726Advisories collected
2,720Published or updated in 30 days
2,115Marked critical or high
Coverage

Connected directly to official vendor sources

The original vendor bulletin remains the authority. SecurityAlert gives you one place to find it and compare the details vendors publish in different formats.

2 advisories

Each date says whether the vendor published or updated the bulletin. A vendor bulletin describes products that may be affected. It does not prove that the vulnerable product or version is installed in your environment.

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Cisco Security Advisoriescisco-sa-notice-f2SiMFxl
Informational

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-2026-20277CVE-2026-202...

CVE-2026-20212CVE-2026-20281
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Cisco Security Advisoriescisco-sa-n9k-s1-rce-EH8dEtr
Critical

Cisco Nexus 9000 Series Switches Silicon One Remote Code Execution Vulnerability

A vulnerability in the Silicon One integration for Cisco Nexus 9000 Series Switches could allow an unauthenticated, remote attacker to execute code with root privileges. This vulnerability exists because TCP ports 43210 and 43211 are accessible in the default Layer 3 (L3) virt...

Vendor guidance

Cisco has released software updates that address this vulnerability.

CVE-2026-20212
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Before you act

Start with the vendor's bulletin.

We normalize the fields that vendors publish so you can search and compare advisories in one place. We do not replace the original bulletin or turn a product-name match into proof that a system is vulnerable.

Confirm the installed product and version, read the linked vendor guidance, and test the recommended update or mitigation through your normal change process.

Read how SecurityAlert collects and checks threat intelligence.