CVE-2026-76299
published 2026-10-21CVE-2026-76299: As part of Cisco's ongoing commitment to proactive security and product quality, Cisco has conducted a comprehensive internal security review. This review…
PriorityP260critical9.9CVSS 3.1
AVNACLPRLUINSCCHIHAH
EPSS
0.33%
25.8th percentile
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-2026-76299 are related to improper access control and are grouped under the Common Weakness Enumeration (CWE) CWE-284.
Affected
4 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| splunk | splunk_enterprise | >= 10.0 < 10.0.11 | 10.0.11 |
| splunk | splunk_enterprise | >= 10.2 < 10.2.8 | 10.2.8 |
| splunk | splunk_enterprise | >= 10.4 < 10.4.4 | 10.4.4 |
| splunk | splunk_enterprise | >= 9.4 < 9.4.16 | 9.4.16 |
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
GHSA
As part of Cisco's ongoing commitment to proactive security and product quality, Cisco has conducted a comprehensive internal security review.
ghsa_unreviewed·2026-10-22·CVSS 9.9
CVE-2026-76299 [CRITICAL] CWE-284 As part of Cisco's ongoing commitment to proactive security and product quality, Cisco has conducted a comprehensive internal security review.
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-2026-76299 are related to improper access control and are grouped under the Common Weakness Enumeration (CWE) CWE-284.
VulDB
Splunk Enterprise up to 9.4.15/10.0.10/10.2.7/10.4.3 access control
vuldb·2026-10-22
CVE-2026-76299 Splunk Enterprise up to 9.4.15/10.0.10/10.2.7/10.4.3 access control
A vulnerability labeled as very critical has been found in Splunk Enterprise up to 9.4.15/10.0.10/10.2.7/10.4.3. This issue affects some unknown processing. The manipulation results in improper access controls.
This vulnerability is reported as CVE-2026-76299. The attack can be launched remotely. No exploit exists.
The affected component should be upgraded.
No detection rules found.
No public exploits indexed.
2026-10-21
Published