CVE-2026-76301

CRITICAL
INFO Priority: 0.04 BB Relevance: 80/100
Published: 2026-10-21 Modified: 2026-10-28 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Unchanged
C: High
I: High
A: High

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-2026-76301 are related to protection mechanism failure and are grouped under the Common Weakness Enumeration (CWE) CWE-693.

Weakness Classification (1)

Affected Software (8)

VendorProductVersion
Splunk Splunk Enterprise 10.4 < 10.4.4
Splunk Splunk Enterprise 10.2 < 10.2.8
Splunk Splunk Enterprise 10.0 < 10.0.11
Splunk Splunk Enterprise 9.4 < 9.4.16
Splunk Splunk Enterprise 10.4 < 10.4.4
Splunk Splunk Enterprise 10.2 < 10.2.8
Splunk Splunk Enterprise 10.0 < 10.0.11
Splunk Splunk Enterprise 9.4 < 9.4.16

Bug Bounty Relevance

80 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

9.8 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploitation Probability

0.38%
Raw Score 0.003820
Percentile 32.2%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00382
2026-10-28
0.00382

Intelligence Sources

mitre ref →
nvd ref →