CVE-2026-89172

MEDIUMPre-NVD 5.65.6—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.6 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.2%, top 95% 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 — 4 sources updated this week
5.6EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.6Exploit: None knownExposed: 0

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

Improper protection of physical side channels vulnerability in Microchip AN1044, Microchip AN953, and Microchip SW300052.

This issue affects AN1044: through A; AN953: through A; SW300052: through 2.6.

CVSS v3
5.6
EG Score
5.6(medium)
EG Risk
25(Track)
EG Risk 25/100SSVC: 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
Severity56% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
5%
KEV
Not listed

Published

September 12, 2026

Last Modified

September 16, 2026

References (4)

Vendor Advisories for CVE-2026-89172(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 25× in last 7d / 25× 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. 2026-09-18 22:37 UTCEG score recompute
  2. 2026-09-18 22:37 UTCGHSA enrichment
  3. 2026-09-18 19:28 UTCEPSS rescore
  4. 2026-09-17 21:07 UTCEG score recompute
  5. 2026-09-17 21:07 UTCGHSA enrichment
  6. 2026-09-17 19:32 UTCEPSS rescore
  7. 2026-09-16 19:37 UTCGHSA enrichment
  8. 2026-09-16 17:58 UTCEG score recompute
  9. 2026-09-16 17:58 UTCGHSA enrichment
  10. 2026-09-16 14:09 UTCEPSS rescore
  11. 2026-09-16 05:15 UTCEPSS rescore
  12. 2026-09-15 15:03 UTCEG score recompute
  13. 2026-09-15 15:03 UTCGHSA enrichment
  14. 2026-09-15 03:12 UTCEPSS rescore
  15. 2026-09-14 13:29 UTCEG score recompute
  16. 2026-09-14 13:29 UTCGHSA enrichment
  17. 2026-09-14 13:10 UTCEG score recompute
  18. 2026-09-14 13:10 UTCGHSA enrichment
  19. 2026-09-13 16:48 UTCEPSS rescore
  20. 2026-09-13 11:55 UTCEG score recompute
  21. 2026-09-13 11:55 UTCGHSA enrichment
  22. 2026-09-12 15:02 UTCEPSS rescore
  23. 2026-09-12 10:24 UTCEG score recompute
  24. 2026-09-12 09:34 UTCEG score recompute
  25. 2026-09-12 09:33 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-89172?
CVE-2026-89172 is a medium vulnerability published on September 12, 2026. Improper protection of physical side channels vulnerability in Microchip AN1044, Microchip AN953, and Microchip SW300052. This issue affects AN1044: through A; AN953: through A; SW300052: through 2.6.
When was CVE-2026-89172 disclosed?
CVE-2026-89172 was first published in the National Vulnerability Database on September 12, 2026, with the most recent update on September 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-89172 actively exploited?
CVE-2026-89172 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 95.4% of all scored CVEs.
What is the CVSS score of CVE-2026-89172?
CVE-2026-89172 has a CVSS v3 base score of 5.6 (NVD).
How do I remediate CVE-2026-89172?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-89172, 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-2026-89172

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