Source: Microsoft · Limited verification•Last verified: •Collection Degraded
CVE-2026-77480Unknown / EvaluatingImportant (raw)CVSS 8.8
SQL Server Elevation of Privilege Vulnerability
Published: 08 Sept 2026•Last updated: 08 Sept 2026, 12:30 PM IST•Source identifier: Unknown
Dossier completeness: source-provided sections 3 / 3 · rule guidance not available. Missing source facts count as incomplete.
CISA KEV catalog
Unknown
KEV status was not determined.
CVSS score
8.8Important (raw)
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
Metric sourceMicrosoft MSRC CVRF
EPSS probability
0.8%0.008
Percentile55th
Weakness type
—
No further CWE recorded
Remediation
Patch status unknown
KB5122775, KB5122773, KB5122774, KB5122771, KB5122770, KB5122772, KB5122768, KB5122769
Why It Matters
Analysis dossierWhy It Matters
Insufficient granularity of access control in SQL Server allows an authorized attacker to elevate privileges over a network.
SOC priority
Review
Actively exploited
No
Publicly disclosed
Unknown
Risk basis: No confirmed exploitation signal in current enrichment
Affected Products & Remediation
8 source-backed productsAffected products and versions (source)
- Microsoft SQL Server 2017 for x64-based Systems (GDR) · version range not provided by source · Microsoft MSRC · Source
- Microsoft SQL Server 2019 for x64-based Systems (GDR) · version range not provided by source · Microsoft MSRC · Source
- Microsoft SQL Server 2017 for x64-based Systems (CU 31) · version range not provided by source · Microsoft MSRC · Source
- Microsoft SQL Server 2022 for x64-based Systems (GDR) · version range not provided by source · Microsoft MSRC · Source
- Microsoft SQL Server 2025 for x64-based Systems (GDR) · version range not provided by source · Microsoft MSRC · Source
- Microsoft SQL Server 2019 for x64-based Systems (CU 32) · version range not provided by source · Microsoft MSRC · Source
- Microsoft SQL Server 2022 for x64-based Systems (CU 26) · version range not provided by source · Microsoft MSRC · Source
- Microsoft SQL Server 2025 for x64-based Systems (CU8) · version range not provided by source · Microsoft MSRC · Source
Recorded patch / KBKB5122775, KB5122773, KB5122774, KB5122771, KB5122770, KB5122772, KB5122768, KB5122769
Vendor or catalog guidance (source)
- Microsoft MSRC: Install the security update KB5122775 listed by MSRC
- Microsoft MSRC: Install the security update KB5122773 listed by MSRC
- Microsoft MSRC: Install the security update KB5122774 listed by MSRC
- Microsoft MSRC: Install the security update KB5122771 listed by MSRC
- Microsoft MSRC: Install the security update KB5122770 listed by MSRC
Known exploitation (source facts)
Only what a source states. Unknown means no source has said either way; it is not "not exploited".
- CISA KEV
- Unknown
- Exploited (source statement)
- No
- Publicly disclosed (source)
- Unknown
Suggested hunting (rule-based inference)
SecOps Signal recommendation (rule-based inference). These steps are hunting hypotheses from the vulnerability class; they do not state or imply that exploitation occurred here or anywhere.
No rule-based guidance for this vulnerability class
CISA KEV Record
CISA KEV status was not determined for this record.
Change History & Source Data
— No recorded material change
- CNA / source
- Unknown
- Record status · verification
- UPDATED · Unknown
- CPE
- Unknown
Evidence & Provenance
Detection Hunting Query
— No published hunting query names this record. Browse community and library queries instead.
Correlated briefings
SecOps Signal surfaces public advisory facts only. A missing value means the source has not published it, not that your environment is unaffected. No tenant inventory is connected.