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Vendor advisories

Microsoft Security Response Center

Browse 17,903 advisories from this official source. Search by product, CVE, severity, or advisory ID.

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17,903 advisories

Each date says whether the vendor published or updated the bulletin. A vendor bulletin describes products that may be affected. It does not prove that the vulnerable product or version is installed in your environment.

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Microsoft Security Response CenterCVE-2026-22001
LowCVSS 2.7

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Information Schema). Supported versions that are affected are 8.0.0-8.0.45, 8.4.0-8.4.8 and 9.0.0-9.6.0. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized read access to a subset of MySQL Server accessible data. CVSS 3.1 Base Score 2.7 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N).

Mariner

Affected productsazl3 mysql 8.0.45-2 on Azure Linux 3.0, cbl2 mysql 8.0.45-3 on CBL Mariner 2.0
Fixed versions8.0.46-1
Vendor guidance

CBL-Mariner Releases

CVE-2026-22001
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-22017
MediumCVSS 6.5

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.0-8.0.45, 8.4.0-8.4.8 and 9.0.0-9.6.0. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

Mariner

Affected productsazl3 mysql 8.0.45-2 on Azure Linux 3.0, cbl2 mysql 8.0.45-3 on CBL Mariner 2.0
Fixed versions8.0.46-1
Vendor guidance

CBL-Mariner Releases

CVE-2026-22017
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-22002
MediumCVSS 4.9

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.0-8.0.45, 8.4.0-8.4.8 and 9.0.0-9.6.0. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

Mariner

Affected productscbl2 mysql 8.0.45-3 on CBL Mariner 2.0, azl3 mysql 8.0.45-2 on Azure Linux 3.0
Fixed versions8.0.46-1
Vendor guidance

CBL-Mariner Releases

CVE-2026-22002
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-22009
MediumCVSS 6.5

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.0-8.0.45, 8.4.0-8.4.8 and 9.0.0-9.6.0. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

Mariner

Affected productscbl2 mysql 8.0.45-3 on CBL Mariner 2.0, azl3 mysql 8.0.45-2 on Azure Linux 3.0
Fixed versions8.0.46-1
Vendor guidance

CBL-Mariner Releases

CVE-2026-22009
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-21998
MediumCVSS 4.9

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.0-8.0.45, 8.4.0-8.4.8 and 9.0.0-9.6.0. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

Mariner

Affected productscbl2 mysql 8.0.45-3 on CBL Mariner 2.0, azl3 mysql 8.0.45-2 on Azure Linux 3.0
Fixed versions8.0.46-1
Vendor guidance

CBL-Mariner Releases

CVE-2026-21998
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-26171
HighCVSS 7.5

.NET Denial of Service Vulnerability

Uncontrolled resource consumption in .NET allows an unauthorized attacker to deny service over a network.

Affected productsPowerShell 7.5, .NET 10.0 installed on Linux, .NET 8.0 installed on Windows, .NET 10.0 installed on Mac OS
Fixed versions7.5.6, 10.0.6, 8.0.26, 9.0.15
Vendor guidance

Release Notes Install KB5086095. Install KB5086096. Install KB5086097.

CVE-2026-26171
Read the vendor advisory Watch this product
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Confirm the installed product and version, read the linked vendor guidance, and test the recommended update or mitigation through your normal change process.

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