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Recorded 10 Nov 2026 at 18:32 UTC. This is what ChangeIntel recorded, including the title, summary, facts and links. It is not a statement of the source's current position. See the latest record.

CVEMicrosoft Security Response Center

SQL Server Remote Code Execution Vulnerability

Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.

What it said

CVE
CVE-2026-88111
Severity
Important
CVSS base score
7.5
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Impact
Remote Code Execution
Exploitation detected
No known exploitation (MSRC assessment)
Publicly disclosed
No (MSRC assessment)
Exploitability
Exploitation Less Likely
Component
SQL Server
Weakness
CWE-122: Heap-based Buffer Overflow
Issued by
Microsoft
Customer action
Required: follow the MSRC remediation guidance
Affected products
Microsoft SQL Server 2022 for x64-based Systems (CU27), Microsoft SQL Server 2025 for x64-based Systems CU10
Updates that fix it
KB5129299: Microsoft SQL Server 2025 for x64-based Systems CU10 (restart required); KB5129300: Microsoft SQL Server 2022 for x64-based Systems (CU27) (restart required)
CISA KEV
Not listed in the collected catalog
EPSS
No EPSS score collected
Public detection template
No Nuclei template listed
Published
10 Nov 2026 08:00 UTC
Last revised
10 Nov 2026 08:00 UTC
Revision note
Information published.

Source evidence when recorded

Microsoft security releases
Complete at observationRead 10 Nov 2026 at 18:30 UTC
CISA KEV
Complete at observationRead 10 Nov 2026 at 18:30 UTC
FIRST EPSS
Complete at observationRead 10 Nov 2026 at 18:30 UTC
Public detection templates (Nuclei)
Complete at observationRead 10 Nov 2026 at 18:30 UTC

Coverage describes the sources at this observation. A complete read then does not establish their current position.

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ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 10 Nov 20:19 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current

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