What is CVE-2026-31483?

CVE-2026-31483 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. s390/syscalls: Add spectre boundary for syscall dispatch table

Which CVE IDs does CVE-2026-31483 cover?

CVE-2026-31483 covers the following CVE IDs: CVE-2026-31483. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-31483?

CVE-2026-31483 has a CVSS v3 base score of 7.8, published by Microsoft Security Response Center (MSRC).

CVE-2026-31483HighCVSS 7.8

s390/syscalls: Add spectre boundary for syscall dispatch table

Vendor

Microsoft Security Response Center (MSRC)

Published

June 2, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-31483 →