Affects Microsoft SQL Server — widely deployed enterprise database; authenticated remote code execution can cause broad operational and data impact.
CVE-2026-94512
Authenticated RCE via heap buffer overflow in Microsoft SQL Server.
Is CVE-2026-94512 being exploited?
Not confirmed. CVE-2026-94512 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.49% probability of exploitation in the next 30 days.
How severe is CVE-2026-94512?
CVE-2026-94512 is rated High with a CVSS score of 8.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-94512?
Yes. A fix has been recorded for CVE-2026-94512. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-94512 affect?
CVE-2026-94512 affects Microsoft SQL Server (supported versions). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-94512?
Apply Microsoft's security update immediately; restrict SQL Server network access and monitor logs.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated attacker can trigger heap overflow to execute code remotely, leading to system compromise, data access, and lateral movement.
Immediate action required