7.8

CVE-2026-80933: linux

CVSS: 7.8v3.1HighReceived
AliasesUBUNTU-CVE-2026-80933DEBIAN-CVE-2026-80933
Published 11-09-2026Last modified 19-10-2026
Open JSON

Vulnerability summary

CVE-2026-80933 is a high (CVSS 7.8) vulnerability in linux. EPSS estimates a 0.13% chance of exploitation in the next 30 days, higher than 2.2% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.13%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 1
OPENSUSE-SU-2026:11805-1

Timeline

  1. 11-09-2026
    PublishedVulnerability first disclosed.
  2. 19-10-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: validate default EEPROM firmware size The default EEPROM firmware is parsed and copied as a full EEPROM without checking its length. A truncated file can make the driver read beyond the firmware buffer during variant validation or the fallback copy. Reject files shorter than MT7996_EEPROM_SIZE before parsing or copying the firmware.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.13%

Chance of exploitation in the next 30 days

Percentile

2%

Versus all other CVEs

30-day change

0.00 pp

From 0.13% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.13%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Ubuntu142 products
  • linuxAll versions (No fix recorded)
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded)
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian2 products
  • linux< 6.12.111-1 | < 7.2.6-1
  • linux-6.12< 6.12.111-1~deb12u1
Linux1 product
  • linux≥ 98686cd21624c75a043e96812beadddf4f6f48e5, < b4bf67cc0871b13103c404b38e332b9d4403a0da | ≥ 98686cd21624c75a043e96812beadddf4f6f48e5, < 127a291f4c8069a4e71906938402cacfe24ee8cd | ≥ 98686cd21624c75a043e96812beadddf4f6f48e5, < 03b81f015dbb29807ce1ec6d45537d658abdac69 | ≥ 98686cd21624c75a043e96812beadddf4f6f48e5, < 7074ec3769820302f1ccf8794a40a6582153b820 | ≥ 98686cd21624c75a043e96812beadddf4f6f48e5, < 653c6e289b13cc6942f3e8f8e3c568e70fa42d1f | 6.2

3 vendors · 145 products

References

9 links