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-2026-76527 are related to improper check or handling of exceptional conditions and are grouped under the Common Weakness Enumeration (CWE) CWE-703.
Published: 2026-10-21
Score: 9.8 Critical
EPSS: < 1% Very Low
KEV: No
Impact: Denial of Service
Action: Immediate Patch
AI Analysis

Impact

This vulnerability in Splunk SOAR stems from an improper check or handling of exceptional conditions, a weakness identified as CWE‑703. The flaw can cause the software to react unexpectedly when an error state is entered, potentially leading to a loss of service or other unintended behavior. The nature of the defect suggests that an attacker could trigger it by supplying specially crafted input that forces the application into an exceptional state.

Affected Systems

The defect impacts Splunk SOAR, with no specific version range listed in the advisory. Administrators should verify whether their installations run an earlier version than the recommended 8.7.0, as the vendor advises upgrading to that release or later to remediate the issue.

Risk and Exploitability

The CVE report assigns a CVSS score of 9.8, indicating a high severity of remote denial‑of‑service or other unintended behavior. The EPSS score is below 1 %, suggesting low but non‑zero exploitation probability at present. The vulnerability is not listed in CISA's KEV catalog, so no known exploits are publicly documented. Based on the description, the likely attack vector is remote, inferred from the typical use of Splunk SOAR; an attacker would need to provide crafted input to trigger the exceptional condition that leads to a service disruption or crash. Until the vendor’s recommended update to version 8.7.0 or later is applied, affected systems remain exposed to this high‑risk flaw.

Generated by OpenCVE AI on October 29, 2026 at 20:28 UTC.

Remediation

Vendor Solution

Upgrade Splunk SOAR to version 8.7.0 or higher.


OpenCVE Recommended Actions

  • Upgrade Splunk SOAR to version 8.7.0 or later
  • If an immediate upgrade is not possible, isolate or restrict modules that may trigger the exceptional condition until a patch can be applied
  • Review and strengthen exception handling in custom scripts and integrations to ensure errors are caught and handled appropriately
  • Monitor system logs for abnormal exception events and respond promptly

Generated by OpenCVE AI on October 29, 2026 at 20:28 UTC.

Tracking

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Advisories

No advisories yet.

History

Thu, 29 Oct 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}


Wed, 28 Oct 2026 02:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 22 Oct 2026 10:45:00 +0000

Type Values Removed Values Added
First Time appeared Splunk
Splunk splunk
Vendors & Products Splunk
Splunk splunk

Wed, 21 Oct 2026 23:00:00 +0000

Type Values Removed Values Added
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-2026-76527 are related to improper check or handling of exceptional conditions and are grouped under the Common Weakness Enumeration (CWE) CWE-703.
Title Improper Check or Handling of Exceptional Conditions in Splunk SOAR
Weaknesses CWE-703
References

cve-icon MITRE

Status: PUBLISHED

Assigner: cisco

Published:

Updated: 2026-11-04T02:22:17.676Z

Reserved: 2026-08-19T12:02:03.643Z

Link: CVE-2026-76527

cve-icon Vulnrichment

Updated: 2026-10-28T02:09:17.615Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-21T23:17:29.660

Modified: 2026-10-29T18:17:34.913

Link: CVE-2026-76527

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-29T20:30:18Z

Weaknesses
  • CWE-703

    Improper Check or Handling of Exceptional Conditions