CVE-2026-12921

HIGHPre-NVD 8.48.4—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.4 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.1%, top 96% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
Trending — 3 sources updated this week
8.4
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.4Exploit: NoneExposed: 0

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

In AzeoTech DAQFactory versions 21.1 and prior, a Use After Free vulnerability can be exploited by an attacker using specially crafted .ctl files which can result in code execution.

CVSS v3
8.4
EG Score
8.4(medium)
EPSS
3.8%
KEV
Not listed

Published

June 25, 2026

Last Modified

June 25, 2026

Advisory Details (1)

Auto-updated Jun 25, 2026
Patch available. Sources: cisa.
cisa Patch Available

AzeoTech DAQFactory (Update A) | CISA

https://www.cisa.gov/news-events/ics-advisories/icsa-26-169-02

Vendor Advisories for CVE-2026-12921(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 33× in last 7d / 56× 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. 2026-07-07 05:42 UTCEG score recompute
  2. 2026-07-07 05:41 UTCGHSA enrichment
  3. 2026-07-06 16:43 UTCEG score recompute
  4. 2026-07-06 16:43 UTCGHSA enrichment
  5. 2026-07-06 16:27 UTCEPSS rescore
  6. 2026-07-06 03:48 UTCEG score recompute
  7. 2026-07-06 03:48 UTCGHSA enrichment
  8. 2026-07-05 14:54 UTCEG score recompute
  9. 2026-07-05 14:53 UTCGHSA enrichment
  10. 2026-07-05 02:30 UTCEPSS rescore
  11. 2026-07-05 02:30 UTCEPSS rescore
  12. 2026-07-05 01:56 UTCEG score recompute
  13. 2026-07-05 01:56 UTCGHSA enrichment
  14. 2026-07-04 13:01 UTCEG score recompute
  15. 2026-07-04 13:01 UTCGHSA enrichment
  16. 2026-07-04 06:31 UTCEPSS rescore
  17. 2026-07-04 00:05 UTCEG score recompute
  18. 2026-07-04 00:05 UTCGHSA enrichment
  19. 2026-07-03 11:07 UTCEG score recompute
  20. 2026-07-03 11:07 UTCGHSA enrichment
  21. 2026-07-02 22:03 UTCEG score recompute
  22. 2026-07-02 22:03 UTCGHSA enrichment
  23. 2026-07-02 09:07 UTCEG score recompute
  24. 2026-07-02 09:07 UTCGHSA enrichment
  25. 2026-07-01 20:10 UTCEG score recompute
Show 31 more
  1. 2026-07-01 20:09 UTCGHSA enrichment
  2. 2026-07-01 15:06 UTCEPSS rescore
  3. 2026-07-01 15:06 UTCEPSS rescore
  4. 2026-07-01 07:14 UTCEG score recompute
  5. 2026-07-01 07:14 UTCGHSA enrichment
  6. 2026-06-30 23:22 UTCEPSS rescore
  7. 2026-06-30 18:19 UTCEG score recompute
  8. 2026-06-30 18:19 UTCGHSA enrichment
  9. 2026-06-30 05:23 UTCEG score recompute
  10. 2026-06-30 05:23 UTCGHSA enrichment
  11. 2026-06-29 16:29 UTCEG score recompute
  12. 2026-06-29 16:29 UTCGHSA enrichment
  13. 2026-06-29 14:06 UTCEPSS rescore
  14. 2026-06-29 03:33 UTCEG score recompute
  15. 2026-06-29 03:33 UTCGHSA enrichment
  16. 2026-06-28 14:37 UTCEG score recompute
  17. 2026-06-28 14:37 UTCGHSA enrichment
  18. 2026-06-28 14:07 UTCEPSS rescore
  19. 2026-06-28 04:56 UTCEPSS rescore
  20. 2026-06-28 04:56 UTCEPSS rescore
  21. 2026-06-28 01:42 UTCEG score recompute
  22. 2026-06-28 01:42 UTCGHSA enrichment
  23. 2026-06-27 12:46 UTCEG score recompute
  24. 2026-06-27 12:46 UTCGHSA enrichment
  25. 2026-06-27 03:08 UTCEPSS rescore
  26. 2026-06-26 23:51 UTCEG score recompute
  27. 2026-06-26 23:51 UTCGHSA enrichment
  28. 2026-06-26 10:57 UTCEG score recompute
  29. 2026-06-26 10:57 UTCGHSA enrichment
  30. 2026-06-25 19:49 UTCEG score recompute
  31. 2026-06-25 19:49 UTCNVD updatefirst tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-12921?
CVE-2026-12921 is a high vulnerability published on June 25, 2026. In AzeoTech DAQFactory versions 21.1 and prior, a Use After Free vulnerability can be exploited by an attacker using specially crafted .ctl files which can result in code execution.
When was CVE-2026-12921 disclosed?
CVE-2026-12921 was first published in the National Vulnerability Database on June 25, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-12921 actively exploited?
CVE-2026-12921 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-12921?
CVE-2026-12921 has a CVSS v3 base score of 8.4 (NVD).
How do I remediate CVE-2026-12921?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-12921, 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

Explore the affected products and dependency analysis for CVE-2026-12921

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