# CVE-2026-93442: IBM QRadar SIEM out-of-bounds read

Source: https://junglewise.ai/threats/cve-2026-93442-ibm-qradar-siem-7-6-0-0-through-7-6-0-4-and-7-5-0-through-7-5-0  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-20. Updated: 2026-10-20  
License: CC BY 4.0 with a link back

CVE-2026-93442 · Severity: high · CVSS 8.2 · Published 2026-10-20

IBM QRadar SIEM is a security information and event management system used to monitor and analyze network and security events. A flaw in versions 7.6.0.0 through 7.6.0.4 and 7.5.0 through 7.5.0 Update Package 16 Interim Fix 001 allows a remote attacker to cause denial of service or access sensitive information through an out-of-bounds memory read.

Technologies: [IBM QRadar SIEM](https://junglewise.ai/threats/technologies/qradar-siem). Vendors: [IBM](https://junglewise.ai/threats/vendors/ibm).

## Quick answers

**Is CVE-2026-93442 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-93442 being exploited in the wild.

**How severe is CVE-2026-93442?** High severity, with a CVSS score of 8.2, published 20 October 2026.

**Which products and versions are affected?** IBM QRadar SIEM 7.6.0.0 through 7.6.0.4, 7.5.0 through 7.5.0 Update Package 16 Interim Fix 001.

**Is there a fix for CVE-2026-93442?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-93442 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-93442?** Check whether you run IBM QRadar SIEM at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

An out-of-bounds read vulnerability in IBM QRadar SIEM allows a remote attacker to read beyond allocated memory boundaries. The vulnerability can be exploited over the network without authentication to trigger a denial of service or potentially leak sensitive information from memory. A fix is available in patched versions.

## Affected products

- IBM QRadar SIEM 7.6.0.0 through 7.6.0.4, 7.5.0 through 7.5.0 Update Package 16 Interim Fix 001

## Timeline

- 2026-10-20: disclosed

## References

- [https://www.ibm.com/support/pages/node/7292240](https://www.ibm.com/support/pages/node/7292240)

## Related threats

- [IBM QRadar SIEM open redirect](https://junglewise.ai/threats/cve-2026-105473-ibm-qradar-7-5-0-through-7-5-0-update-pack-16-interim-fix-02-and)
- [IBM QRadar reflected XSS](https://junglewise.ai/threats/cve-2026-105467-ibm-qradar-7-5-0-through-7-5-0-update-pack-16-interim-fix-02-and)
- [IBM QRadar SIEM denial of service in HTTP Receiver](https://junglewise.ai/threats/cve-2026-93441-ibm-qradar-siem-could-allow-a-remote-attacker-to-cause-a-denial)
- [IBM QRadar SIEM backup file information disclosure](https://junglewise.ai/threats/cve-2025-33141-ibm-qradar-7-5-0-through-7-5-0-up15-interim-fix-006-could-allow)
- [IBM QRadar OS access via malicious backup archive](https://junglewise.ai/threats/cve-2024-56462-ibm-qradar-os-access-via-malicious-backup-archive)