EUVD Vulnerability Catalog

EUVD-2026-107638

Severity: CRITICAL Base Score: 9.8 CVSS Version: 3.1

Vulnerability Description

As part of Cisco's ongoing commitment to proactive security and product quality, Cisco has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76527 are related to improper check or handling of exceptional conditions and are grouped under the Common Weakness Enumeration (CWE) CWE-703.

CVSS Vector Analysis

Below is the complete, human-readable breakdown of the CVSS metric string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

▪ Attack Vector (AV): Network

▪ Attack Complexity (AC): Low

▪ Privileges Required (PR): None

▪ User Interaction (UI): None

▪ Scope (S): Unchanged

▪ Confidentiality Impact (C): High

▪ Integrity Impact (I): High

▪ Availability Impact (A): High

Affected Vendors & Systems

Vendor Splunk

References & Advisory Links

https://advisory.splunk.com/advisories/SVD-2026-1011

Metadata Profile

Database Authority

European Union Agency for Cybersecurity (ENISA) EUVD

Assigner

cisco

EPSS Probability

0.43

Known Aliases

CVE-2026-76527 GHSA-crq7-hg23-h2c6

Published On

2026-10-21

Last Updated

2026-11-04