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High 8.8Published Mar 10, 2026
CVE-2026-21262Improper access control in SQL Server allows an authorized attacker to elevate privileges over a network.
Updated under an hour ago ()
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It affects microsoft sql_server_2016 and 4 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Improper access control in SQL Server allows an authorized attacker to elevate privileges over a network.
- CVSS
- 8.8 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-284
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jul 10, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
microsoft sql_server_2016 microsoft:sql_server_2016 | from 13.0.6300.2 before 13.0.6480.4; from 13.0.7000.253 before 13.0.7075.5 | NVD |
microsoft sql_server_2017 microsoft:sql_server_2017 | from 14.0.1000.169 before 14.0.2100.4; from 14.0.3006.16 before 14.0.3520.4 | NVD |
microsoft sql_server_2019 microsoft:sql_server_2019 | from 15.0.2000.5 before 15.0.2160.4; from 15.0.4003.23 before 15.0.4460.4 | NVD |
microsoft sql_server_2022 microsoft:sql_server_2022 | from 16.0.1000.6 before 16.0.1170.5; from 16.0.4003.1 before 16.0.4240.4 | NVD |
microsoft sql_server_2025 microsoft:sql_server_2025 | from 17.0.1000.7 before 17.0.1105.2; from 17.0.4006.2 before 17.0.4020.2 | NVD |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21262vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.