CVE-2026-87726

Severity: low (CVSS 3.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-08 · updated 2026-10-08
Weakness: CWE-787

Description

Insufficient API bounds checking in phalFelica in NXP NXPNfcRdLib RC663 through 07.14.00_Pub may allow an attacker with privileges or an untrusted third party to access unintended memory regions, potentially leading to limited loss of confidentiality, integrity, and availability. All software versions from 07.18.00 onwards have fixed this problem.

Affected products

NxpNfcRdLib: from RC663 before 07.18.00 — fixed in 07.18.00

How to fix

Upgrade to a fixed version: NxpNfcRdLib 07.18.00. Check the vendor advisory for mitigations.

References

https://community.nxp.com/t5/Other-NXP-Products/NXPNfcRdLib-vulnerability-in-module-phalFelica-CVE-2026-87726/m-p/2414096#M33365
https://www.nxp.com/support/support/product-security-vulnerability:PSIRT

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