CVE-2026-87726: Memory Corruption (CVSS 3.9)

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.

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CVSS v3.1 Score

3.9

LOW

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

Weakness Type (CWE)

CWE-787 Out-of-bounds Write

References

Other 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

Frequently Asked Questions

What is CVE-2026-87726? +

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. It has a CVSS v3.1 base score of 3.9 (LOW).

How severe is CVE-2026-87726? +

CVE-2026-87726 has a CVSS v3.1 score of 3.9 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

How do I check if I'm vulnerable to CVE-2026-87726? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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