CVE-2026-76299CWE-284broken-access-control

CVE-2026-76299

Critical · published October 22, 2026

CVSS v3.1
9.9
EPSS
0%
Percentile
3.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.9 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00141 · 3.1th percentile
Weakness
CWE-284 · Improper Access Control
Published
2026-10-22T03:17Z
References (1)
EPSS history
Timeline
  • 23 OCT 04:07Z
    EPSS moved — → 0%
    epss
  • 21 OCT 22:52Z
    Security Hardening in Splunk Enterprise - October 2026
    cvelistv5
  • 21 OCT 22:52Z
    Security Hardening in Splunk Enterprise - October 2026
    cvelistv5