Get real-time updates on Telegram
CVE-2026-80926: Linux 7.1
CVE-2026-80926. CVSS 3.1 base score 9.8 (CRITICAL, Source advisory). EPSS 0.00444 (percentile 0.36438), scored 05-Oct-2026.
Affected technology
Linux · 945a86b21b40fb17183f5b27461baa6f03e2467f to before 892f643b141aee3f7aa7c0fc61ddcb55c59f1996, 1ff58dcfcab434ebb51649da33774fbb8e1f7b67 to before 5de0527f782430b1109a447646e32033ad018a6a, e735dbd489e3ea02be78dba991056fe1138be51e to before c8279ae8df68cce9cd3b785e85f7a86c80a46e78, b003086d76968298f22e7cf62239833b5a3a06b1 to before 8cc98db4fc590e6c7d9db6529320982ee16c5d1d, b003086d76968298f22e7cf62239833b5a3a06b1 to before 0e753899627b5e28a9fea8bca98262a6f65a2452, 75e33deda658c1ab3a9336cbdb1436536f9b3660, 6.6.143 to before 6.6.158, 6.12.94 to before 6.12.111, 6.18.36 to before 6.18.51, 7.0.13 to before 7.1
Linux
Linux · 7.1
Linux
Component: Not specified by the source
File: fs/smb/server/oplock.c
Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · No user interaction required
What an attacker can do
Source advisory’s CVSS 3.1 assessment (base score 9.8/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.
- CCR priority
- 39.3 /100 (P4)
- CVSS 3.1
- 9.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · Source advisory
- EPSS
- 0.00444 · percentile 0.37209 · 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
- 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-2026-80926.html