CVE-2026-16316

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreHIGH confidence

Score 4.3 from GitHub Security Advisory (severity: LOW) published 2026-08-06. a secondary CVSS source baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.3Exploit: None knownExposed: 0

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

OMICRON StationGuard 4.00 contains an improper input validation vulnerability in its IEC 61850 Sampled Values (SV) frame processing. A specially crafted SV frame can cause the affected process to terminate, disrupting alert processing for Sampled Values traffic. The vulnerability does not affect overall system availability or the processing of other traffic types, and the process is automatically restarted, and the failure is immediately reported to the user.

CVSS v3
4.3
EG Score
4.3(high)
EG Risk
19(Track)
EG Risk 19/100SSVC: 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
Severity43% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
5%
KEV
Not listed

Published

August 6, 2026

Last Modified

August 6, 2026

Advisory Details (1)

Auto-updated Aug 6, 2026
Patch available.
generic Patch Available
https://www.omicronenergy.com/.well-known/csaf/osa-21.json

Vendor Advisories for CVE-2026-16316(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 19× in last 7d / 46× 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. 2026-08-20 22:55 UTCEPSS rescore
  2. 2026-08-20 14:36 UTCEG score recompute
  3. 2026-08-20 14:36 UTCGHSA enrichment
  4. 2026-08-19 17:03 UTCEPSS rescore
  5. 2026-08-19 16:24 UTCGHSA enrichment
  6. 2026-08-18 18:12 UTCEG score recompute
  7. 2026-08-18 18:12 UTCGHSA enrichment
  8. 2026-08-18 13:48 UTCEPSS rescore
  9. 2026-08-17 19:26 UTCEG score recompute
  10. 2026-08-17 19:26 UTCGHSA enrichment
  11. 2026-08-17 13:47 UTCEPSS rescore
  12. 2026-08-16 20:51 UTCEG score recompute
  13. 2026-08-16 20:51 UTCGHSA enrichment
  14. 2026-08-16 14:56 UTCEPSS rescore
  15. 2026-08-16 02:14 UTCEPSS rescore
  16. 2026-08-15 22:39 UTCEG score recompute
  17. 2026-08-15 22:39 UTCGHSA enrichment
  18. 2026-08-15 01:30 UTCEPSS rescore
  19. 2026-08-15 00:26 UTCGHSA enrichment
  20. 2026-08-14 02:13 UTCEG score recompute
  21. 2026-08-14 02:13 UTCGHSA enrichment
  22. 2026-08-13 22:00 UTCEPSS rescore
  23. 2026-08-13 04:01 UTCEG score recompute
  24. 2026-08-13 04:01 UTCGHSA enrichment
  25. 2026-08-12 13:50 UTCEPSS rescore
Show 21 more
  1. 2026-08-12 05:49 UTCEG score recompute
  2. 2026-08-12 05:49 UTCGHSA enrichment
  3. 2026-08-11 13:42 UTCEPSS rescore
  4. 2026-08-11 07:36 UTCEG score recompute
  5. 2026-08-11 07:36 UTCGHSA enrichment
  6. 2026-08-11 00:00 UTCEPSS rescore
  7. 2026-08-10 09:24 UTCEG score recompute
  8. 2026-08-10 09:24 UTCGHSA enrichment
  9. 2026-08-09 13:46 UTCEPSS rescore
  10. 2026-08-09 11:12 UTCEG score recompute
  11. 2026-08-09 11:12 UTCGHSA enrichment
  12. 2026-08-08 16:37 UTCEPSS rescore
  13. 2026-08-08 12:59 UTCEG score recompute
  14. 2026-08-08 12:59 UTCGHSA enrichment
  15. 2026-08-07 14:46 UTCGHSA enrichment
  16. 2026-08-06 16:33 UTCEG score recompute
  17. 2026-08-06 16:33 UTCGHSA enrichment
  18. 2026-08-06 15:32 UTCEG score recompute
  19. 2026-08-06 14:17 UTCEG score recompute
  20. 2026-08-06 13:53 UTCEG score recompute
  21. 2026-08-06 13:52 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-16316?
CVE-2026-16316 is a medium vulnerability published on August 6, 2026. OMICRON StationGuard 4.00 contains an improper input validation vulnerability in its IEC 61850 Sampled Values (SV) frame processing. A specially crafted SV frame can cause the affected process to terminate, disrupting alert processing for Sampled Values traffic. The vulnerability does not affect…
When was CVE-2026-16316 disclosed?
CVE-2026-16316 was first published in the National Vulnerability Database on August 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-16316 actively exploited?
CVE-2026-16316 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 95.1% of all scored CVEs.
What is the CVSS score of CVE-2026-16316?
CVE-2026-16316 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-16316?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-16316, 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-2026-16316

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