CVE-2026-90357

HIGHPre-NVD 8.88.8—
EchelonGraph scoreHIGH confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-09-17. A secondary CVSS source baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.8EG
EchelonGraph verdictPlan mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.4%CVSS: 8.8Exploit: None knownExposed services: Not assessed

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

In the Linux kernel, the following vulnerability has been resolved:

wifi: mt76: mt7915: unlink TWT flow if the MCU rejects the agreement

The flow is added to dev->twt_list before sending the agreement to the firmware, but the error path leaves it linked while flowid_mask is never set. The flow slot can then be reused and memset while still on the list, corrupting twt_list, and station removal leaves a dangling entry behind that mt7915_mac_twt_sched_list_add() later walks.

CVSS v3
8.8
EG Score
8.8HIGHhigh confidence
EG Risk
44
EG Risk 44/100CISA SSVC

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%
Automatability30% × 15%
CISA SSVC: Track at low or medium mission impact; Track or Attend at high (mission-essential systems).
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.
EPSS PROB
0.4%
EPSS %ILE
32nd
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track or Attend at high (mission-essential systems).

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.

Exploitation none (no KEV listing, exploit record or EPSS ≥ 50%) · Automatable unknown (not published for this CVE) · Technical impact partial (CVSS below 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

September 17, 2026

Last Modified

September 18, 2026

Advisory Details (6)

Auto-updated Sep 18, 2026
No patch confirmed yet.
generic

wifi: mt76: mt7915: unlink TWT flow if the MCU rejects the agreement - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/16a04441eab0dcd4d7126a6f66b370adbf28f96d
generic

wifi: mt76: mt7915: unlink TWT flow if the MCU rejects the agreement - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/beaa42b875965dbc3e80e46970e0bfa60a94c2db
generic

wifi: mt76: mt7915: unlink TWT flow if the MCU rejects the agreement - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/6bce0f1280c94af8314f895f404629da09f0788c
generic

wifi: mt76: mt7915: unlink TWT flow if the MCU rejects the agreement - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/cabe239e95b4eebf5b6c3654087b66ff9425bc7b
generic

wifi: mt76: mt7915: unlink TWT flow if the MCU rejects the agreement - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/1bd5c4ed2b9045faf83315c54cd37a9b7c71b5c7
generic

wifi: mt76: mt7915: unlink TWT flow if the MCU rejects the agreement - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/c09d1b15ed2dc49060303b16a296b7b8b7794cbe

Vendor Advisories for CVE-2026-90357(1)

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

Affected Packages

(4 across 3 ecosystems)
Debian:12(2)
PackageVulnerable rangeFix by version rangeDependents
linux6.1.106-1 ... 7.2~rc7-1~exp1 (360 versions)
  • every version on: no fix on record
—
linux-6.126.12.100-1~deb12u1, 6.12.101-1~deb12u1, 6.12.107-1~deb12u1
  • every version up to 6.12.111-1~deb12u1: fixed in 6.12.111-1~deb12u1
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
linux6.12.100-1 ... 6.12.96-1 (35 versions)
  • every version up to 6.12.111-1: fixed in 6.12.111-1
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
linux6.12.100-1 ... 7.2~rc7-1~exp1 (179 versions)
  • every version up to 7.2.6-1: fixed in 7.2.6-1
—

Data Freshness Timeline

(refreshed 25× in last 7d / 70× 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. 2026-10-05 11:01 UTCEG score recompute
  2. 2026-10-05 11:01 UTCGHSA enrichment
  3. 2026-10-04 23:22 UTCEPSS rescore
  4. 2026-10-04 23:15 UTCGHSA enrichment
  5. 2026-10-04 11:29 UTCGHSA enrichment
  6. 2026-10-03 23:43 UTCEG score recompute
  7. 2026-10-03 23:42 UTCGHSA enrichment
  8. 2026-10-03 11:55 UTCGHSA enrichment
  9. 2026-10-03 00:09 UTCEG score recompute
  10. 2026-10-03 00:08 UTCGHSA enrichment
  11. 2026-10-02 12:22 UTCGHSA enrichment
  12. 2026-10-02 00:35 UTCEG score recompute
  13. 2026-10-02 00:35 UTCGHSA enrichment
  14. 2026-10-01 19:51 UTCEPSS rescore
  15. 2026-10-01 12:49 UTCGHSA enrichment
  16. 2026-10-01 01:03 UTCEG score recompute
  17. 2026-10-01 01:03 UTCGHSA enrichment
  18. 2026-09-30 15:04 UTCEPSS rescore
  19. 2026-09-30 13:17 UTCGHSA enrichment
  20. 2026-09-30 01:31 UTCEG score recompute
  21. 2026-09-30 01:31 UTCGHSA enrichment
  22. 2026-09-29 13:45 UTCGHSA enrichment
  23. 2026-09-29 01:50 UTCEG score recompute
  24. 2026-09-29 01:50 UTCGHSA enrichment
  25. 2026-09-28 14:04 UTCGHSA enrichment
Show 45 more
  1. 2026-09-28 02:17 UTCGHSA enrichment
  2. 2026-09-27 14:31 UTCEG score recompute
  3. 2026-09-27 14:31 UTCGHSA enrichment
  4. 2026-09-27 13:49 UTCEPSS rescore
  5. 2026-09-27 02:46 UTCEG score recompute
  6. 2026-09-27 02:46 UTCGHSA enrichment
  7. 2026-09-26 15:59 UTCEPSS rescore
  8. 2026-09-26 14:59 UTCGHSA enrichment
  9. 2026-09-26 03:13 UTCEG score recompute
  10. 2026-09-26 03:13 UTCGHSA enrichment
  11. 2026-09-25 15:26 UTCGHSA enrichment
  12. 2026-09-25 03:38 UTCGHSA enrichment
  13. 2026-09-24 15:52 UTCEG score recompute
  14. 2026-09-24 15:52 UTCGHSA enrichment
  15. 2026-09-24 14:04 UTCEPSS rescore
  16. 2026-09-24 04:06 UTCEG score recompute
  17. 2026-09-24 04:06 UTCGHSA enrichment
  18. 2026-09-23 17:54 UTCEPSS rescore
  19. 2026-09-23 16:20 UTCGHSA enrichment
  20. 2026-09-23 04:33 UTCGHSA enrichment
  21. 2026-09-22 16:46 UTCEG score recompute
  22. 2026-09-22 16:46 UTCGHSA enrichment
  23. 2026-09-22 16:01 UTCEPSS rescore
  24. 2026-09-22 04:55 UTCEG score recompute
  25. 2026-09-22 04:55 UTCGHSA enrichment
  26. 2026-09-21 21:09 UTCEPSS rescore
  27. 2026-09-21 17:09 UTCGHSA enrichment
  28. 2026-09-21 05:23 UTCEG score recompute
  29. 2026-09-21 05:23 UTCGHSA enrichment
  30. 2026-09-20 20:16 UTCEPSS rescore
  31. 2026-09-20 17:35 UTCGHSA enrichment
  32. 2026-09-20 05:49 UTCGHSA enrichment
  33. 2026-09-19 18:03 UTCEG score recompute
  34. 2026-09-19 18:03 UTCGHSA enrichment
  35. 2026-09-19 06:17 UTCEG score recompute
  36. 2026-09-19 06:16 UTCGHSA enrichment
  37. 2026-09-18 19:28 UTCEPSS rescore
  38. 2026-09-18 18:30 UTCEG score recompute
  39. 2026-09-18 18:30 UTCGHSA enrichment
  40. 2026-09-18 18:02 UTCEG score recompute▲ 8.80
  41. 2026-09-18 18:02 UTCGHSA enrichment
  42. 2026-09-18 17:59 UTCMITRE cvelistV5CVSS v3 → 8.8 · severity → HIGH
  43. 2026-09-17 17:24 UTCNVD update
  44. 2026-09-17 16:26 UTCEG score recompute
  45. 2026-09-17 16:19 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-90357?
CVE-2026-90357 is a high vulnerability published on September 17, 2026. In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7915: unlink TWT flow if the MCU rejects the agreement The flow is added to dev->twt_list before sending the agreement to the firmware, but the error path leaves it linked while flowid_mask is never set. The flow slot…
When was CVE-2026-90357 disclosed?
CVE-2026-90357 was first published on September 17, 2026, with the most recent update on September 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-90357 actively exploited?
CVE-2026-90357 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.4% probability of exploitation in the next 30 days (32nd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-90357?
CVE-2026-90357 has a CVSS base score of 8.8 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-90357?
No fix for CVE-2026-90357 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-90357 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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