CVE-2025-21546

lowCVSS 3.8covered by 1 sourcefirst seen 2026-08-06

CSIRTS triage

vendor: Oracle product: MySQL Server Privilege escalationaffected: 8.0.40 and prior, 8.4.3 and prior, 9.1.0 and prior

What: A security privileges component vulnerability allows a high-privileged attacker to compromise MySQL Server.
Who is affected: All supported MySQL versions up to 8.0.40, 8.4.3, and 9.1.0 with high-privileged users with network access.
Urgency: Low priority with a CVSS of 3.8; not currently exploited and requires high privilege to trigger.
Action: Upgrade to a patched version after 8.0.40, 8.4.3, or 9.1.0.

AI-assisted analysis generated from the source advisory — verify against the original.

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Low exploitation risk0.58% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 45% of all EPSS-scored CVEs.

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