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CVE-2026-80837: Linux 5.9
CVE-2026-80837 affects azl3 kernel 6.6.150.1-1 on Azure Linux 3.0. CVSS 3.1 base score 7.4 (Microsoft Security Response Center). EPSS 0.00173 (percentile 0.06022), scored 05-Oct-2026.
Affected technology
Linux · 67cc570edaa02016a8685a06a0ee91f05a6277d9 to before 6989f298103f575a768a85e4b19d2384709237f8, 67cc570edaa02016a8685a06a0ee91f05a6277d9 to before df86c0e84025be8b6dd572a20852698927aa666b, 67cc570edaa02016a8685a06a0ee91f05a6277d9 to before 6fa88d11983c6fe693c13ed7c5b3b75ae9f39de6, 67cc570edaa02016a8685a06a0ee91f05a6277d9 to before e97e2d6d0b150fd78be573f9fdf193f204d9334e, 67cc570edaa02016a8685a06a0ee91f05a6277d9 to before 68de7f3a38acab355c24114f77bf00d3094ce4da, 67cc570edaa02016a8685a06a0ee91f05a6277d9 to before 7904b94768e983bcb2be34a8d6d1f3450f5b838b
Linux
Linux · 5.9
Linux
Component: Not specified by the source
File: net/netfilter/nf_tables_api.c
Attack conditions (Microsoft Security Response Center, CVSS 3.1): Network (remote) · No privileges required · No user interaction required
What an attacker can do
Microsoft Security Response Center’s CVSS 3.1 assessment rates confidentiality impact as none; integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.
- Product
- azl3 kernel 6.6.150.1-1 on Azure Linux 3.0
- CCR priority
- 29.6 /100 (P4)
- CVSS 3.1
- 7.4 /10 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H · Microsoft Security Response Center
- EPSS
- 0.00173 · percentile 0.06221 · 2026-10-17
- KEV
- no
Provenance
- FIRST EPSS daily exploit-probability · Source record · observed 2026-10-18 12:55:59.341568+00:00 UTC
- GitHub Advisory Database · Source record · observed 2026-10-04 06:01:24.332572+00:00 UTC
- Microsoft MSRC Security Update Guide (CVRF) · Source record · observed 2026-10-04 07:08:49.022374+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-19 10:33:46.008150+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-80837.html