Vulnerability · Published Oct 21, 2026 · Assigned by cisco

CVE-2026-76407Improper Access Control in Splunk SOAR

Critical 9.8

In plain English

A critical-severity improper access control in Splunk SOAR from Splunk. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 37% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical

Exploit odds (30 days)0.4%top 62.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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-2026-76407 are related to improper access control and are grouped under the Common Weakness Enumeration (CWE) CWE-284.

Affected products (as reported)

Vendor	Product	Versions
Splunk	Splunk SOAR	0 – before 8.7.0

Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

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