CVE-2026-79619

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.19% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 9.4% of scored records. A rank, not a probability.

NVD base score

7.3 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD analysis status

Awaiting Analysis. NVD last modified this record on 2026-08-28.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-08-26 12:50Z2 MO AGO

Last updated

2026-08-27 17:32Z2 MO AGO

Reserved

2026-08-25

Assigning CNA

canonical

Record state

PUBLISHED

Severity

High (CVSS 7.3)

CNA CVSS vector

CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Weaknesses

• CWE-863Incorrect AuthorizationClass

Data version

5.2

Document digest

f1547e5b01dd97061c6e2d2fc2828a58563fc865db2e57b77f5acec6c1dcb910

• github.comhttps://github.com/openzfs/zfs/pull/18959patch
• github.comhttps://github.com/advisories/GHSA-mhf5-q8gw-qg9vvendor-advisory
• github.comhttps://github.com/openzfs/zfs/releases/tag/zfs-2.4.4product
• github.comhttps://github.com/openzfs/zfs/releases/tag/zfs-2.3.9product
• github.comhttps://github.com/openzfs/zfs/releases/tag/zfs-2.2.11product
• seclists.orghttps://seclists.org/fulldisclosure/2026/Aug/40mailing-list