HIGH 8.1 Microsoft
CVE-2026-80823
nfc: st21nfca: validate ATR_REQ length against the received frame
Microsoft Security Update 2026-Sep: nfc: st21nfca: validate ATR_REQ length against the received frame
Affected Products
- azl3 kernel 6.6.150.1-1 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-80823
- https://nvd.nist.gov/vuln/detail/CVE-2026-80823
This high severity vulnerability with a CVSS score of 8.1 was published on 2026-09-08 via Microsoft. Affected: azl3 kernel 6.6.150.1-1 on Azure Linux 3.0.
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