IBM QRadar SIEM: Out-of-bounds read enabling denial of service or information leak
Summary
IBM QRadar SIEM versions 7.6.0.0 through 7.6.0.4 and 7.5.0 through 7.5.0 Update Package 16 Interim Fix 001 contain an out-of-bounds read (CWE-125). A remote attacker can cause a denial of service or obtain sensitive information. According to the CVE record, no authentication or user interaction is required, and the CVSS score is 8.2 (High). The specific vulnerable component is not disclosed in the available sources.
Affected
- IBM QRadar SIEM 7.6.0.0 to 7.6.0.4
- IBM QRadar SIEM 7.5.0 to 7.5.0 Update Package 16 Interim Fix 001
Fixed in
- According to a third-party mirror, IBM lists 7.6.0.5 for the 7.6.0 branch and 7.5.0 UP16 IF02 for the 7.5.0 branch. Not confirmed against IBM's own bulletins; verify before planning.
Workaround
Unknown.
Exploitation
No confirmed exploitation in the available sources. One aggregator reports no public exploit code confirmed and no entry in the CISA KEV catalog. Verify against CISA's KEV page.
Our recommendation
- Identify all QRadar instances and check whether they run an affected version.
- Confirm the fix versions in IBM bulletin 7292240 and apply the upgrade on a prioritised schedule.
- Restrict QRadar console and ingest interfaces to trusted networks until patched.
- Monitor IBM bulletins and the CISA KEV catalog for updates.
Public exploits
PoC-in-GitHub, Metasploit and Exploit-DB list nothing for this CVE.
Research sources
- IBM Security Bulletin 7292240 www.ibm.com
- CERT-FR advisory CERTFR-2026-AVI-1336 cert.cyber.gouv.fr
- CVE record mirror (threatint) cve.threatint.com
- Vulners CVE-2026-93442 vulners.com
- OpenCVE CVE-2026-93442 app.opencve.io
- Strix CVE-2026-93442 www.strix.ai
- TheHackerWire CVE-2026-93442 www.thehackerwire.com
Researched and written up in English and German by an AI (Claude by Anthropic) based on NVD, CISA, EPSS and the sources listed. The vendor information is authoritative. Researched on 1 Nov 2026, 15:22.
Original description (NVD)
IBM QRadar SIEM 7.6.0.0 through 7.6.0.4, and 7.5.0 through 7.5.0 Update Package 16 Interim Fix 001 could allow a remote attacker to cause a denial of service or obtain sensitive information due to an out-of-bounds read.
NVD references (1)
Sources
The tracker combines official, freely usable data sources – updated continuously:
- NVD (NIST) – CVEs, rating (CVSS), affected products
- CISA KEV – vulnerabilities confirmed by CISA as actively exploited
- CISA Vulnrichment – CISA assessment (SSVC) in the official CVE record
- FIRST EPSS – probability of exploitation
- Microsoft MSRC – Patch Tuesday: vulnerabilities, severity, updates
- PoC-in-GitHub – public proof-of-concept repositories
- Metasploit (Rapid7) – modules of the Metasploit Framework
- Exploit-DB (OffSec) – archive of public exploits (links only)
- Patch days: official vendor pages (linked per vendor) (Vendor patch days)
This product uses data from the NVD API but is not endorsed or certified by the NVD. EPSS data © FIRST.org.
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