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Highest advisory severityHigh 1 vendor · 1 advisory

CVE-2026-76497

CVE-2026-76497 is covered by the cisco-sa-exwy-hardening-FhcqBVcs security bulletin. Not in the CISA KEV catalog. High advisory severity. 1 advisory from Cisco.

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.

NVD detail CVE.org

CVE-2026-76497 at a glance

CISA KEV
Not listed (catalog checked )
Highest advisory severity
High
Vendor advisories
1 from Cisco
VulniPulse record
Published · Updated

Is CVE-2026-76497 exploited?

No exploitation is reported in the sources VulniPulse tracks: CVE-2026-76497 is not in the CISA KEV catalog (checked ) and no tracked advisory for it reports exploitation. That is not proof the vulnerability cannot be exploited.

How do I fix CVE-2026-76497?

This CVE is tracked through a multi-CVE bulletin, so its fixed releases may differ from the bulletin-wide values below. Check the vendor source.

Vendor advisory comparison

Cisco

1 advisory
  • Advisory severityHigh8.6

    High [CVE-2026-76490 +7] Cisco Expressway Series Security Hardening Release: October 2026

    cisco-sa-exwy-hardening-FhcqBVcsSource published Source updated

    This bulletin covers 8 CVEs. The products, versions, score and guidance below describe the bulletin; check its source for applicability to this specific CVE.

    As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Expressway Series software engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses 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 their underlying vulnerability class - Common Weakness Enumeration (CWE) - and assigned a single Common Vulnerabilities and Exposures identifier (CVE ID) to each CWE grouping. Cisco Expressway Series refers to Cisco Expressway Core (Expressway-C) devices and Cisco Expressway Edge…

    Affected products in this advisory
    • TelePresence Video Communication Server (VCS) Expressway
    Source-reported affected versions
    • Scope: These vulnerabilities affect Cisco Expressway-C and Cisco Expressway-E, both virtual and appliance versions, regardless of device configuration.
    • X14 and earlier — Migrate to a fixed release
    • Release X15.5.3 and earlier (first fixed: X15.5.20)
    Source-reported fixed versions
    • X15.5.20
    Mitigation guidance
    • Cisco has released a software update that addresses these vulnerabilities.
    Workarounds
    • There are no workarounds that address these vulnerabilities.
    Full advisory and evidenceOpen source bulletin

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