CVE-2026-21383

highCVSS 7.1covered by 1 sourcefirst seen 2026-07-06

Cryptographic Issue when using a static initialization vector for AES-GCM key wrapping, which requires a unique value for each call to ensure security.

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Exploitation outlook

Low exploitation risk0.07% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 0% of all EPSS-scored CVEs.

Advisory coverage (1)

highCVE-2026-21383: Cryptographic Issue when using a static initialization vector for AES-GCM key wrapping, which …nvd · 2026-07-06

External references

NVD record for CVE-2026-21383

CVE.org record

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