CVE-2026-81644

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreHIGH confidence

Score 4.3 from GitHub Security Advisory published 2026-09-09. 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.

DoS vulnerability in the preview service module. Impact: Successful exploitation of this vulnerability may affect availability.

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
3%
KEV
Not listed

Published

September 9, 2026

Last Modified

September 9, 2026

Advisory Details (2)

Auto-updated Sep 9, 2026
No patch confirmed yet.
generic

Security Bulletins for HUAWEI PCs, September 2026

https://consumer.huawei.com/en/support/bulletinlaptops/2026/9/
generic

Security Bulletins for HUAWEI Phones/Tablets, September 2026

https://consumer.huawei.com/en/support/bulletin/2026/9/

Vendor Advisories for CVE-2026-81644(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 20× in last 7d / 38× 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. 2026-09-20 20:16 UTCEPSS rescore
  2. 2026-09-20 19:44 UTCGHSA enrichment
  3. 2026-09-19 21:55 UTCEG score recompute
  4. 2026-09-19 21:55 UTCGHSA enrichment
  5. 2026-09-19 00:04 UTCEG score recompute
  6. 2026-09-19 00:04 UTCGHSA enrichment
  7. 2026-09-18 19:28 UTCEPSS rescore
  8. 2026-09-18 02:15 UTCGHSA enrichment
  9. 2026-09-17 04:25 UTCEG score recompute
  10. 2026-09-17 04:25 UTCGHSA enrichment
  11. 2026-09-16 14:08 UTCEPSS rescore
  12. 2026-09-16 06:34 UTCEG score recompute
  13. 2026-09-16 06:34 UTCGHSA enrichment
  14. 2026-09-16 05:15 UTCEPSS rescore
  15. 2026-09-15 08:44 UTCEG score recompute
  16. 2026-09-15 08:44 UTCGHSA enrichment
  17. 2026-09-15 03:12 UTCEPSS rescore
  18. 2026-09-15 03:12 UTCEPSS rescore
  19. 2026-09-14 10:53 UTCEG score recompute
  20. 2026-09-14 10:53 UTCGHSA enrichment
  21. 2026-09-13 13:03 UTCGHSA enrichment
  22. 2026-09-12 15:13 UTCEG score recompute
  23. 2026-09-12 15:13 UTCGHSA enrichment
  24. 2026-09-11 17:23 UTCEG score recompute
  25. 2026-09-11 17:23 UTCGHSA enrichment
Show 13 more
  1. 2026-09-11 14:53 UTCEPSS rescore
  2. 2026-09-11 14:53 UTCEPSS rescore
  3. 2026-09-10 19:22 UTCEG score recompute
  4. 2026-09-10 19:22 UTCGHSA enrichment
  5. 2026-09-09 21:30 UTCEG score recompute
  6. 2026-09-09 21:30 UTCGHSA enrichment
  7. 2026-09-09 20:55 UTCEG score recompute
  8. 2026-09-09 20:55 UTCGHSA enrichment
  9. 2026-09-09 15:51 UTCEG score recompute
  10. 2026-09-09 15:51 UTCGHSA enrichment
  11. 2026-09-09 04:37 UTCEG score recompute
  12. 2026-09-09 03:32 UTCEG score recompute
  13. 2026-09-09 03:31 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-81644?
CVE-2026-81644 is a medium vulnerability published on September 9, 2026. DoS vulnerability in the preview service module. Impact: Successful exploitation of this vulnerability may affect availability.
When was CVE-2026-81644 disclosed?
CVE-2026-81644 was first published in the National Vulnerability Database on September 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-81644 actively exploited?
CVE-2026-81644 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 96.6% of all scored CVEs.
What is the CVSS score of CVE-2026-81644?
CVE-2026-81644 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-81644?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-81644, 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-2026-81644

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