CVE-2026-2815
CVE-2026-2815 is a high-severity vulnerability with a CVSS 4.0 base score of 8.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-339.
Key facts
- Severity: High (CVSS 4.0 base score 8.4)
- EPSS exploit prediction: 0% (5th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-39394
- Weakness: CWE-339
- Published:
- Last modified:
Description
Incorrect use of the PUF key for user key generation in EFR32xG27 results in predictable keys
Frequently asked questions
- What is CVE-2026-2815?
- Incorrect use of the PUF key for user key generation in EFR32xG27 results in predictable keys
- How severe is CVE-2026-2815?
- CVE-2026-2815 has a CVSS 4.0 base score of 8.4, rated high severity.
- Is CVE-2026-2815 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-2815?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-2815 have an EU (EUVD) identifier?
- Yes. CVE-2026-2815 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-39394.
- When was CVE-2026-2815 published?
- CVE-2026-2815 was published on 2026-06-25.