CVE-2026-13477

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.8 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 82% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.8Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

IBM QRadar 7.6.0.0 through 7.6.0.1, and 7.5.0 through 7.5.0 UP 15 Interim Fix 005 could allow an authenticated privileged user to execute arbitrary commands with normal user privileges on the system due to improper validation of user supplied input.

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
40(Track)
EG Risk 40/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity88% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
18%
KEV
Not listed

Published

August 5, 2026

Last Modified

August 10, 2026

Advisory Details (1)

Auto-updated Aug 5, 2026
No patch confirmed yet.
generic

Security Bulletin: IBM QRadar SIEM is vulnerable to remote code execution by privileged users

https://www.ibm.com/support/pages/node/7282395

Vendor Advisories for CVE-2026-13477(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 26× in last 7d / 61× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-08-21 04:18 UTCEG score recompute
  2. 2026-08-21 04:18 UTCGHSA enrichment
  3. 2026-08-20 22:55 UTCEPSS rescore
  4. 2026-08-20 15:08 UTCGHSA enrichment
  5. 2026-08-20 01:53 UTCEG score recompute
  6. 2026-08-20 01:53 UTCGHSA enrichment
  7. 2026-08-19 17:03 UTCEPSS rescore
  8. 2026-08-19 12:42 UTCGHSA enrichment
  9. 2026-08-18 23:32 UTCEG score recompute
  10. 2026-08-18 23:32 UTCGHSA enrichment
  11. 2026-08-18 13:48 UTCEPSS rescore
  12. 2026-08-18 10:21 UTCGHSA enrichment
  13. 2026-08-17 21:10 UTCEG score recompute
  14. 2026-08-17 21:10 UTCGHSA enrichment
  15. 2026-08-17 08:00 UTCGHSA enrichment
  16. 2026-08-16 18:50 UTCEG score recompute
  17. 2026-08-16 18:50 UTCGHSA enrichment
  18. 2026-08-16 14:56 UTCEPSS rescore
  19. 2026-08-16 05:27 UTCEG score recompute
  20. 2026-08-16 05:27 UTCGHSA enrichment
  21. 2026-08-16 02:14 UTCEPSS rescore
  22. 2026-08-15 16:17 UTCGHSA enrichment
  23. 2026-08-15 03:07 UTCEG score recompute
  24. 2026-08-15 03:07 UTCGHSA enrichment
  25. 2026-08-15 01:30 UTCEPSS rescore
Show 36 more
  1. 2026-08-14 13:56 UTCGHSA enrichment
  2. 2026-08-14 00:46 UTCEG score recompute
  3. 2026-08-14 00:46 UTCGHSA enrichment
  4. 2026-08-13 22:00 UTCEPSS rescore
  5. 2026-08-13 11:36 UTCGHSA enrichment
  6. 2026-08-12 22:26 UTCEG score recompute
  7. 2026-08-12 22:26 UTCGHSA enrichment
  8. 2026-08-12 13:50 UTCEPSS rescore
  9. 2026-08-12 09:16 UTCGHSA enrichment
  10. 2026-08-11 20:05 UTCEG score recompute
  11. 2026-08-11 20:05 UTCGHSA enrichment
  12. 2026-08-11 13:42 UTCEPSS rescore
  13. 2026-08-11 06:53 UTCEG score recompute
  14. 2026-08-11 06:53 UTCGHSA enrichment
  15. 2026-08-10 23:59 UTCEPSS rescore
  16. 2026-08-10 17:43 UTCEG score recompute▲ 4.10
  17. 2026-08-10 17:43 UTCGHSA enrichment
  18. 2026-08-10 17:42 UTCNVD updateCVSS v3 → 8.8 · severity → HIGH
  19. 2026-08-10 16:37 UTCGHSA enrichment
  20. 2026-08-09 16:14 UTCEG score recompute
  21. 2026-08-09 16:14 UTCGHSA enrichment
  22. 2026-08-09 13:46 UTCEPSS rescore
  23. 2026-08-08 16:37 UTCEPSS rescore
  24. 2026-08-08 16:06 UTCEG score recompute
  25. 2026-08-08 16:06 UTCGHSA enrichment
  26. 2026-08-07 15:57 UTCGHSA enrichment
  27. 2026-08-06 15:49 UTCEG score recompute
  28. 2026-08-06 15:49 UTCGHSA enrichment
  29. 2026-08-06 13:46 UTCEPSS rescore
  30. 2026-08-06 05:25 UTCEG score recompute
  31. 2026-08-06 05:25 UTCGHSA enrichment
  32. 2026-08-06 04:25 UTCEG score recompute
  33. 2026-08-06 04:25 UTCGHSA enrichment
  34. 2026-08-05 16:28 UTCEG score recompute
  35. 2026-08-05 16:11 UTCEG score recompute
  36. 2026-08-05 16:10 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-13477?
CVE-2026-13477 is a high vulnerability published on August 5, 2026. IBM QRadar 7.6.0.0 through 7.6.0.1, and 7.5.0 through 7.5.0 UP 15 Interim Fix 005 could allow an authenticated privileged user to execute arbitrary commands with normal user privileges on the system due to improper validation of user supplied input.
When was CVE-2026-13477 disclosed?
CVE-2026-13477 was first published in the National Vulnerability Database on August 5, 2026, with the most recent update on August 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-13477 actively exploited?
CVE-2026-13477 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 82.1% of all scored CVEs.
What is the CVSS score of CVE-2026-13477?
CVE-2026-13477 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-13477?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-13477, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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