CVE-2026-76526 (CVSS 8.8)

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-2026-76526 are related to improper neutralization and are grouped under the Common Weakness Enumeration (CWE) CWE-707.

Is your site exposed to CVE-2026-76526?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0036

Probability of exploitation

0.30%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-707 CWE-707

References

Other References

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

Frequently Asked Questions

What is CVE-2026-76526? +

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-2026-76526 are related to improper neutralization and are grouped under the Common Weakness Enumeration (CWE) CWE-707. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-76526? +

CVE-2026-76526 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0036, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-76526? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-60139

Improper neutralization in the MigTD SPDM transport for the Intel(R) TDX Migration Trust Domain (MigTD) within Ring 0: Hypervisor may …

CVE-2026-20330 9.9

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security Appliance Software, Cisco …

CVE-2026-76302 9.9

As part of Cisco's ongoing commitment to proactive security and product quality, Cisco has conducted a comprehensive internal security review. …

CVE-2026-76499 9.8

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Application Policy Infrastructure Controller (APIC) engineering …

CVE-2026-76443 9.8

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Email Gateway and Cisco Secure …

CVE-2026-76284 9.8

Improper Neutralization. Splunk addressed multiple internally identified vulnerabilities in Splunk Enterprise versions 10.4.3, 10.2.7, 10.0.10, and 9.4.15. The vulnerabilities are …