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CVE-2026-5446VulnerabilityPublished Updated

Microsoft · wolfSSL ARIA-GCM TLS 1.2/DTLS 1.2 GCM nonce reuse

Affects MicrosoftSource GCVE Database

0

Not known to be exploited.

Data as of 27 Oct 2026, 00:09 UTC

Severity
High

Rated High by Threat Radar's AI analysis · No CVSS score from NVD or the CNA

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 2 Apr 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Microsoft Security Response Center MicrosoftAffected
  • =2.0
  • =3.0
Fixed in–

Description

This vulnerability involves nonce reuse in the ARIA-GCM implementation of TLS 1.2 and DTLS 1.2 within wolfSSL versions 2.0 and 3.0. Nonce reuse in GCM mode can undermine the security guarantees of encryption, potentially allowing attackers to compromise confidentiality or integrity. The advisory does not provide details on exploitation or impact severity. No patch or remediation information is provided.

References

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