HIGH 7.1 Microsoft
CVE-2026-43274
mailbox: mchp-ipc-sbi: fix out-of-bounds access in mchp_ipc_get_cluster_aggr_irq()
Microsoft Security Update 2026-May: mailbox: mchp-ipc-sbi: fix out-of-bounds access in mchp_ipc_get_cluster_aggr_irq()
Affected Products
- azl3 kernel 6.6.137.1-2 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-43274
- https://nvd.nist.gov/vuln/detail/CVE-2026-43274
This high severity vulnerability with a CVSS score of 7.1 was published on 2026-05-12 via Microsoft. Affected: azl3 kernel 6.6.137.1-2 on Azure Linux 3.0.
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