CVE-2026-67375
Microsoft SQL Server Elevation of Privilege Vulnerability
CVE-2026-67375 is a high vulnerability (CVSS 8.8) in Microsoft Sql Server 2025 For X64-based Systems (gdr), published November 10, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.86%, the 58th percentile. No source names a fixed version.
- Severity
- 8.8 HighCVSS 3.1, CVE List
- Exploit chance
- 0.86%EPSS, 58th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
Stack-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges over a network.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
Affected products
What each source reports
CVE List Score used
Microsoft SQL Server Elevation of Privilege Vulnerability
Stack-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges over a network.
- Record
CVE-2026-67375- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Weakness
- CWE-121
- Updated
- 2026-11-10
EUVDEUVD-2026-121824
Stack-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges over a network.
- Record
EUVD-2026-121824- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-11
GitHub AdvisoriesGHSA-384p-hcxx-5gjj
Stack-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges...
Stack-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges over a network.
- Record
GHSA-384p-hcxx-5gjj- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-121
- Updated
- 2026-11-10
NVD
Stack-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges over a network.
- Record
CVE-2026-67375- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-121
- Updated
- 2026-11-11
History
| Recorded | Changed | Sources |
|---|---|---|
| published | EUVD | |
| published | EUVD, NVD | |
| aliases, references | GitHub Advisories | |
| cwes, references, severity, title | CVE List | |
| first indexed | EUVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.