CVE-2026-21383: Cryptographic Issue when using a static initialization vector for AES-GCM key wrapping, which requires a unique value for each call to ensure security.
Cryptographic Issue when using a static initialization vector for AES-GCM key wrapping, which requires a unique value for each call to ensure security.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-21383
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-213830.07% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 0% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-21383 | coverage & exploitation status | NVD · CVE.org |
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