CVE-2026-76428
CVE-2026-76428: 2 tracked advisory records across Cisco. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Cisco
2 advisories- Advisory severityCritical10.0
Critical [CVE-2026-76423 +5] Cisco Identity Services Engine Vulnerabilities
cisco-sa-ise-multi-hrP9jQSQSource published Source updated
This bulletin covers 6 CVEs. The products, versions, score and guidance below describe the bulletin; check its source for applicability to this specific CVE.
Multiple vulnerabilities in Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow a remote attacker to bypass authentication to the REST API, achieve remote code execution, perform SQL injection, and conduct XML External Entity injection attacks on an affected device. For more information about these vulnerabilities, see the Details section of this advisory. Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities. This advisory is part of a group of advisories. For a complete list of the advisories and links to them, see Cisco Advance Notification for Publication of September 16, 2026, Security Advisories. In addition, for further documentation of improvements and…
- Affected products in this advisory
- ISE Passive Identity Connector
- Identity Services Engine Software
- Source-reported affected versions
- Scope: CVE-2026-76423, CVE-2026-76426, and CVE-2026-76428: These vulnerabilities affect Cisco ISE and Cisco ISE-PIC, regardless of device configuration.
- 3.1 — 3.1 Patch 12 / Migrate to a fixed release
- 3.2 — 3.2 Patch 11 / Migrate to a fixed release
- Release 3.3 (first fixed: 3.3 Patch 12)
2 more entries in the full advisory.
- Source-reported fixed versions
- 3.3 Patch 12
- 3.4 Patch 7
- 3.5 Patch 4
- Mitigation guidance
- Upgrade to the first fixed release for your train per the Fixed Releases table in this advisory.
- Release 3.1: 3.1 Patch 12 / Migrate to a fixed release.
- Release 3.2: 3.2 Patch 11 / Migrate to a fixed release.
- Release 3.3: upgrade to 3.3 Patch 12.
2 more entries in the full advisory.
- Workarounds
- There are no workarounds that address these vulnerabilities.
- Advisory severityUnrated
Advisory [CVE-2026-20130 +23] Cisco Advance Notification for Publication of September 16, 2026, Security Advisories
cisco-sa-notice-jfxK98ZPSource published Source updated
This bulletin covers 24 CVEs. The products, versions, score and guidance below describe the bulletin; check its source for applicability to this specific CVE.
On September 16, 2026, the Cisco Product Security Incident Response Team (PSIRT) published the advisories that are listed in the following tables. To remediate these vulnerabilities, Cisco strongly recommends that customers upgrade to the fixed software that is indicated in the advisories. For more information about changes in Cisco PSIRT vulnerability disclosure, see Strengthening the Foundation: A Predictable, Customer-Focused Response to AI-Accelerated Vulnerability Discovery. Cisco Identity Services Engine Title CVE ID SIR Base Score Critical 10.0 9.9 9.1 High 8.6 7.5
- Affected products in this advisory
- No product details extracted. Check the source bulletin.
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- To remediate these vulnerabilities, Cisco strongly recommends that customers upgrade to the fixed software that is indicated in the advisories.
Android app · Google Play
Monitor future Cisco CVEs from your phone.
Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 32 official vendor sources and 160+ reviewed platform categories.