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Vulnerability record · CVE-2026-87726 · published 8 October 2026

CVE-2026-87726: Out-of-bounds write vulnerability

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.

3.9 CVSS 3.1 Low EPSS 0.10% · top 99.3% CWE-787 · Out-of-bounds write Awaiting Analysis
3.9CVSS 3.1 base score
0.10%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
8 Oct 2026Last modified by NVD

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.

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L

References

LinkTags
https://community.nxp.com/t5/Other-NXP-Products/NXPNfcRdLib-vulnerability-in-module-phalFelica-CVE-2026-87726/m-p/241409
https://www.nxp.com/support/support/product-security-vulnerability:PSIRT

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-87726), CISA KEV, FIRST EPSS (scores of 2026-10-10). This page is refreshed as NVD updates the record.