CVE-2026-80722

HIGHPre-NVD 8.88.8—
EchelonGraph scoreHIGH confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-08-28. a secondary CVSS source baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 5 sources updated this week
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.8Exploit: None knownExposed: 0

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

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

wifi: mac80211: validate individual TWT params before driver setup

ieee80211_process_rx_twt_action() only partially validates a received S1G TWT setup frame before queueing it.

An individual agreement can therefore reach ieee80211_s1g_rx_twt_setup() with twt->length too short for the full struct ieee80211_twt_params.

The individual path passes twt to drv_add_twt_setup(). Both the tracepoint and the driver callback consume the complete parameters block, not merely req_type. Do not pass a short individual agreement to the driver. Broadcast agreements remain unchanged because they are rejected locally after accessing only req_type.

[edit commit message to not overclaim lack of validation nor understate driver impact]

CVSS v3
8.8
EG Score
8.8(high)
EG Risk
44(Track)
EG Risk 44/100SSVC: 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
Severity88% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
15%
KEV
Not listed

Published

August 28, 2026

Last Modified

August 29, 2026

Advisory Details (7)

Auto-updated Aug 29, 2026
No patch confirmed yet.
generic

wifi: mac80211: validate individual TWT params before driver setup - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/0502d5077e419427d80f4d46ba95d0067f5fb916
generic

wifi: mac80211: validate individual TWT params before driver setup - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/47fb04c3826e1f90271d405523043d6708b9072a
generic

wifi: mac80211: validate individual TWT params before driver setup - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/b558e07708d886acfcf4b0391ed7a8546e81d326
generic

wifi: mac80211: validate individual TWT params before driver setup - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/ade9e2f0f7f4d3089600ac2af8ef0b91746f923b
generic

wifi: mac80211: validate individual TWT params before driver setup - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/ff558072d199c1d641d1561da622e67f780514de
generic

wifi: mac80211: validate individual TWT params before driver setup - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/09d60d1f72e6598241490eb6c4e97245af895c09
generic

wifi: mac80211: validate individual TWT params before driver setup - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/92fcd0f30dc8e51f252589b082d46851d295cc1a

Vendor Advisories for CVE-2026-80722(1)

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

Data Freshness Timeline

(refreshed 14× in last 7d / 14× 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. 2026-08-30 05:17 UTCEG score recompute
  2. 2026-08-30 05:17 UTCGHSA enrichment
  3. 2026-08-30 01:22 UTCEPSS rescore
  4. 2026-08-29 18:21 UTCEG score recompute
  5. 2026-08-29 18:21 UTCGHSA enrichment
  6. 2026-08-29 07:24 UTCEG score recompute
  7. 2026-08-29 07:24 UTCGHSA enrichment
  8. 2026-08-29 06:35 UTCEG score recompute▲ 8.80
  9. 2026-08-29 06:35 UTCGHSA enrichment
  10. 2026-08-29 06:33 UTCMITRE cvelistV5CVSS v3 → 8.8 · severity → HIGH
  11. 2026-08-28 21:42 UTCEPSS rescore
  12. 2026-08-28 08:20 UTCNVD update
  13. 2026-08-28 07:33 UTCEG score recompute
  14. 2026-08-28 07:32 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-80722?
CVE-2026-80722 is a high vulnerability published on August 28, 2026. In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: validate individual TWT params before driver setup ieee80211processrxtwtaction() only partially validates a received S1G TWT setup frame before queueing it. An individual agreement can therefore reach…
When was CVE-2026-80722 disclosed?
CVE-2026-80722 was first published in the National Vulnerability Database on August 28, 2026, with the most recent update on August 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-80722 actively exploited?
CVE-2026-80722 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 84.8% of all scored CVEs.
What is the CVSS score of CVE-2026-80722?
CVE-2026-80722 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-80722?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-80722, 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

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