CVE-2026-67643
What it is
Heap-based buffer overflow in SQL Server allows an unauthorized attacker to execute code over a network.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 1.0% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Details
- Published
- Last modified
- Exploit probability
- 1.0% · EPSS, next 30 days
- Weakness
- CWE-122
- Record status
- Modified
Affected
- Microsoft Sql Server 2022 < 16.0.1200.5
- Microsoft Sql Server 2022 < 16.0.4275.2
- Microsoft Sql Server 2025 < 17.0.1135.8
- Microsoft Sql Server 2025 < 17.0.4085.5
Attack profile CVSS 3.1 · 9.8
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
