CVE-2026-26115
SQL Server Elevation of Privilege Vulnerability
Improper validation of specified type of input 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
What each source reports
CVE List Score used
SQL Server Elevation of Privilege Vulnerability
Improper validation of specified type of input in SQL Server allows an authorized attacker to elevate privileges over a network.
- Record
CVE-2026-26115- 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-1287
- Updated
- 2026-11-02
EUVDEUVD-2026-10683
Improper validation of specified type of input in SQL Server allows an authorized attacker to elevate privileges over a network.
- Record
EUVD-2026-10683- 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
- 2026-11-02
GitHub AdvisoriesGHSA-xjf9-64j8-5qjg
Improper validation of specified type of input in SQL Server allows an authorized attacker to...
Improper validation of specified type of input in SQL Server allows an authorized attacker to elevate privileges over a network.
- Record
GHSA-xjf9-64j8-5qjg- 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-1287
- Updated
- 2026-11-02
NVD
Improper validation of specified type of input in SQL Server allows an authorized attacker to elevate privileges over a network.
- Record
CVE-2026-26115- 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-1287
- Updated
- 2026-11-02
Affected products
- microsoft sql server 2016 service pack 3 (gdr)
- microsoft sql server 2016 service pack 3 azure connect feature pack
- microsoft sql server 2017 (cu 31)
- microsoft sql server 2017 (gdr)
- microsoft sql server 2019 (cu 32)
- microsoft sql server 2019 (gdr)
- microsoft sql server 2022 (gdr)
- microsoft sql server 2022 for x64-based systems (cu 23)
- microsoft sql server 2025 (cu 2)
- microsoft sql server 2025 for x64-based systems (gdr)
- microsoft sql server 2016
- microsoft sql server 2017
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History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-26115 is a high vulnerability (CVSS 8.8) in Microsoft Sql Server 2016 Service Pack 3 (gdr), published March 10, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.25%, the 69th percentile. No source names a fixed version.