CRITICAL 9.1 Microsoft
CVE-2026-89779
fs/ntfs3: validate ef->size covers the record's name and value
Microsoft Security Update 2026-Sep: fs/ntfs3: validate ef->size covers the record's name and value
Affected Products
- azl3 kernel 6.6.150.1-1 on Azure Linux 3.0
- azl3 kernel 6.6.152.1-1 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-89779
- https://nvd.nist.gov/vuln/detail/CVE-2026-89779
This critical severity vulnerability with a CVSS score of 9.1 was published on 2026-09-08 via Microsoft. Affected: azl3 kernel 6.6.150.1-1 on Azure Linux 3.0, azl3 kernel 6.6.152.1-1 on Azure Linux 3.0.
Risk Timeline
CVE Disclosed2026-09-08 · 52 days ago
Remediation Resources
Official Advisory
msrc.microsoft.com/update-guide/vulnerability/CVE-2026-89779NVD / MITRE
nvd.nist.gov/vuln/detail/CVE-2026-89779Related Vulnerabilities
| CVE | Title | Severity | CVSS |
|---|---|---|---|
| CVE-2026-110264 | Integer Overflow or Wraparound in GitLab | CRITICAL | 10.0 |
| CVE-2026-94603 | Podman: The `podman run` command can be instructed to disable almost all sandbox | CRITICAL | 10.0 |
| CVE-2026-39821 | Invoking failure to reject ASCII-only Punycode-encoded labels in golang.org/x/ne | CRITICAL | 10.0 |
| CVE-2026-42960 | Possible cache poisoning via promiscuous records for the authority section | CRITICAL | 10.0 |
| CVE-2026-46595 | Invoking VerifiedPublicKeyCallback permissions skip enforcement in golang.org/x | CRITICAL | 10.0 |
| CVE-2025-68121 | Unexpected session resumption in crypto/tls | CRITICAL | 10.0 |
vulnfeed aggregates 18454 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.