High severity · published Oct 7, 2026
CVE-2026-76283
Protection Mechanism Failure in Splunk Enterprise
7.6
CVSS
0.3%
EPSS
No
On KEV
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-2026-76283 are related to protection mechanism failure and are grouped under the Common Weakness Enumeration (CWE) CWE-693.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 18% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SE
Splunk Enterprise · Splunk
10.4 before 10.4.3; 10.2 before 10.2.7; 10.0 before 10.0.10; 9.4 before 9.4.15 · source: vendor
SP
Splunk · Splunk
9.4.0 before 9.4.15; 10.0.0 before 10.0.10; 10.2.0 before 10.2.7; 10.4.0 before 10.4.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-76283
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-76283
advisory.splunk.com
https://advisory.splunk.com/advisories/SVD-2026-1002
More from Splunk Enterprise
9.8
CVE-2026-20253
Unauthenticated Arbitrary File Creation and Truncation in a PostgreSQL Sidecar Service Endpoint in Splunk Enterprise
9.9
CVE-2026-76302
Security Hardening in Splunk Enterprise - October 2026
9.9
CVE-2026-76299
Security Hardening in Splunk Enterprise - October 2026
9.8
CVE-2026-76301
Security Hardening in Splunk Enterprise - October 2026
9.8
CVE-2026-76285
Improper Adherence to Coding Standards in Splunk Enterprise