FKIE_CVE-2026-21262

Vulnerability from fkie_nvd - Published: 2026-03-10 18:18 - Updated: 2026-03-13 19:33
Severity ?
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
Improper access control in SQL Server allows an authorized attacker to elevate privileges over a network.
References
secure@microsoft.comhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21262Vendor Advisory
Impacted products
Vendor Product Version
microsoft sql_server_2016 *
microsoft sql_server_2016 *
microsoft sql_server_2017 *
microsoft sql_server_2017 *
microsoft sql_server_2019 *
microsoft sql_server_2019 *
microsoft sql_server_2022 *
microsoft sql_server_2022 *
microsoft sql_server_2025 *
microsoft sql_server_2025 *
To clipboard 

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  "lastModified": "2026-03-13T19:33:50.047",
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          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.