What is CVE-2026-45446?

CVE-2026-45446 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. Incorrect Tag Processing for Empty Messages in AES-GCM-SIV and AES-SIV modes

Which CVE IDs does CVE-2026-45446 cover?

CVE-2026-45446 covers the following CVE IDs: CVE-2026-45446. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-45446?

CVE-2026-45446 has a CVSS v3 base score of 4.8, published by Microsoft Security Response Center (MSRC).

CVE-2026-45446MediumCVSS 4.8

Incorrect Tag Processing for Empty Messages in AES-GCM-SIV and AES-SIV modes

Vendor

Microsoft Security Response Center (MSRC)

Published

June 15, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-45446 →