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16,884 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.
Microsoft Security Response CenterCVE-2026-102192
HighCVSS 7.5
Windows Failover Cluster Denial of Service Vulnerability
Integer underflow (wrap or wraparound) in Windows Failover Cluster allows an unauthorized attacker to deny service over a network.
Affected productsWindows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022, Windows Server 2022 (Server Core installation)
Fixed versions10.0.17763.9376, 10.0.20348.5761, 10.0.26100.33650
Vendor guidance
Install KB5126651. Install KB5126655. Install KB5126646.
Microsoft Security Response CenterCVE-2026-102191
HighCVSS 7.0
Windows Storage Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Storage allows an authorized attacker to elevate privileges locally.
Affected productsWindows Server 2022, Windows Server 2022 (Server Core installation), Windows 11 Version 23H2 for ARM64-based Systems, Windows 11 Version 23H2 for x64-based Systems
Fixed versions10.0.20348.5761, 10.0.22631.7652, 10.0.26100.9711, 10.0.26200.9711
Vendor guidance
Install KB5126655. Install KB5126653. Install KB5127648. Install KB5126646. Install KB5127646.
Microsoft Security Response CenterCVE-2026-102189
HighCVSS 7.0
Windows Storage Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Storage allows an authorized attacker to elevate privileges locally.
Affected productsWindows Server 2022, Windows Server 2022 (Server Core installation), Windows 11 Version 23H2 for ARM64-based Systems, Windows 11 Version 23H2 for x64-based Systems
Fixed versions10.0.20348.5761, 10.0.22631.7652, 10.0.26100.9711, 10.0.26200.9711
Vendor guidance
Install KB5126655. Install KB5126653. Install KB5127648. Install KB5126646. Install KB5127646.
Microsoft Security Response CenterCVE-2026-102187
HighCVSS 5.5
Windows Kernel Information Disclosure Vulnerability
Use of uninitialized resource in Windows Kernel allows an authorized attacker to disclose information locally.
Affected productsWindows 10 Version 1607 for 32-bit Systems, Windows 10 Version 1607 for x64-based Systems, Windows Server 2016, Windows Server 2016 (Server Core installation)
Fixed versions10.0.14393.9612, 10.0.17763.9376, 10.0.19044.7807, 10.0.19045.7807
Vendor guidance
Install KB5126868. Install KB5126651. Install KB5126657. Install KB5126655. Install KB5126653. Install KB5127648. Install KB5126646. Install KB5127646. Install KB5126835. Install KB5126836.
Microsoft Security Response CenterCVE-2026-102186
HighCVSS 4.7
Windows Network File System Information Disclosure Vulnerability
Untrusted pointer dereference in Windows Network File System allows an authorized attacker to disclose information locally.
Affected productsWindows 10 Version 1607 for 32-bit Systems, Windows 10 Version 1607 for x64-based Systems, Windows Server 2016, Windows Server 2016 (Server Core installation)
Fixed versions10.0.14393.9612, 10.0.17763.9376, 10.0.19044.7807, 10.0.19045.7807
Vendor guidance
Install KB5126868. Install KB5126651. Install KB5126657. Install KB5126655. Install KB5126653. Install KB5127648. Install KB5126646. Install KB5127646. Install KB5126835. Install KB5126836.
Microsoft Security Response CenterCVE-2026-100225
HighCVSS 7.0
Windows Storage Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Storage allows an authorized attacker to elevate privileges locally.
Affected productsWindows Server 2012, Windows Server 2012 (Server Core installation), Windows Server 2012 R2, Windows Server 2012 R2 (Server Core installation)
Fixed versions6.2.9200.26434, 6.3.9600.23470, 10.0.14393.9612, 10.0.17763.9376
Vendor guidance
Install KB5126835. Install KB5126836. Install KB5126868. Install KB5126651. Install KB5126657. Install KB5126655. Install KB5126653. Install KB5127648. Install KB5126646. Install KB5127646.
Microsoft Security Response CenterCVE-2026-100222
HighCVSS 9.8
Network Policy Server (NPS) Remote Code Execution Vulnerability
Heap-based buffer overflow in Network Policy Server (NPS) allows an unauthorized attacker to execute code over a network.
Affected productsWindows Server 2012, Windows Server 2012 (Server Core installation), Windows Server 2012 R2, Windows Server 2012 R2 (Server Core installation)
Fixed versions6.2.9200.26434, 6.3.9600.23470, 10.0.14393.9612, 10.0.17763.9376
Vendor guidance
Install KB5126835. Install KB5126836. Install KB5126868. Install KB5126651. Install KB5126657. Install KB5126655. Install KB5126653. Install KB5127648. Install KB5126646. Install KB5127646.
Microsoft Security Response CenterCVE-2026-100218
HighCVSS 8.1
Remote Desktop Gateway Service Remote Code Execution Vulnerability
Use after free in Remote Desktop Gateway Service allows an unauthorized attacker to execute code over a network.
Affected productsWindows 11 Version 25H2 for x64-based Systems, Windows 11 Version 26H2 for ARM64-based Systems, Windows 11 Version 26H2 for x64-based Systems, Windows Server 2025
Fixed versions10.0.26200.9711, 10.0.26300.9711, 10.0.26100.33650, 6.2.9200.26434
Vendor guidance
Install KB5127648. Install KB5126646. Install KB5126835. Install KB5126836. Install KB5126868. Install KB5126651. Install KB5126657. Install KB5126655. Install KB5126653.
Microsoft Security Response CenterCVE-2026-100217
HighCVSS 7.8
Windows Group Policy Elevation of Privilege Vulnerability
Improper privilege management in Windows Group Policy allows an authorized attacker to elevate privileges locally.
Affected productsWindows Server 2012 R2, Windows Server 2012 R2 (Server Core installation), Windows 10 Version 1607 for 32-bit Systems, Windows 10 Version 1607 for x64-based Systems
Fixed versions6.3.9600.23470, 10.0.14393.9612, 10.0.17763.9376, 10.0.19044.7807
Vendor guidance
Install KB5126836. Install KB5126868. Install KB5126651. Install KB5126657. Install KB5126655. Install KB5126653. Install KB5127648. Install KB5126646. Install KB5127646.
Microsoft Security Response CenterCVE-2026-100216
HighCVSS 7.0
Windows Storage Elevation of Privilege Vulnerability
Stack-based buffer overflow in Windows Storage allows an authorized attacker to elevate privileges locally.
Affected productsWindows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019, Windows Server 2019 (Server Core installation)
Fixed versions10.0.17763.9376, 10.0.19044.7807, 10.0.19045.7807, 10.0.20348.5761
Vendor guidance
Install KB5126651. Install KB5126657. Install KB5126655. Install KB5126653. Install KB5127648. Install KB5126646. Install KB5127646.
Microsoft Security Response CenterCVE-2026-100214
HighCVSS 8.8
Microsoft Dynamics 365 Business Central Remote Code Execution Vulnerability
Deserialization of untrusted data in Dynamics Business Central allows an authorized attacker to execute code over a network.
Affected productsMicrosoft Dynamics NAV 2017 on Windows Server 2012, Microsoft Dynamics NAV 2018 on Windows Server 2012
Fixed versions30713, 11.0.50736.0
Vendor guidance
Release Notes
Microsoft Security Response CenterCVE-2026-100207
HighCVSS 7.3
Azure CycleCloud Remote Code Execution Vulnerability
Improper neutralization of special elements used in an os command ('os command injection') in Azure CycleCloud allows an authorized attacker to execute code locally.
Affected productsAzure CycleCloud 8.9.1
Fixed versions8.9.2
Vendor guidance
Release Notes
Microsoft Security Response CenterCVE-2026-100205
HighCVSS 7.1
SysInternals Elevation of Privilege Vulnerability
Untrusted pointer dereference in SysInternals allows an authorized attacker to elevate privileges locally.
Affected productsWindows Sysinternals Process Monitor
Fixed versionsv4.04
Vendor guidance
Release Notes
Microsoft Security Response CenterCVE-2026-100203
HighCVSS 7.0
Windows Update Service Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Update Service allows an authorized attacker to elevate privileges locally.
Affected productsWindows 11 Version 26H2 for x64-based Systems, Windows Server 2025, Windows Server 2025 (Server Core installation), Windows 11 Version 26H1 for ARM64-based Systems
Fixed versions10.0.26300.9711, 10.0.26100.33650, 10.0.28000.3231, 10.0.14393.9612
Vendor guidance
Install KB5127648. Install KB5126646. Install KB5127646. Install KB5126868. Install KB5126651. Install KB5126657. Install KB5126655. Install KB5126653.
Microsoft Security Response CenterCVE-2026-100201
HighCVSS 7.0
Windows Client License Service Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Client License Service allows an authorized attacker to elevate privileges locally.
Affected productsWindows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019, Windows Server 2019 (Server Core installation)
Fixed versions10.0.17763.9376, 10.0.19044.7807, 10.0.19045.7807, 10.0.20348.5761
Vendor guidance
Install KB5126651. Install KB5126657. Install KB5126655. Install KB5126653. Install KB5127648. Install KB5126646. Install KB5127646.
Microsoft Security Response CenterCVE-2026-100200
HighCVSS 7.0
Windows Update Service Elevation of Privilege Vulnerability
Use after free in Windows Update Service allows an authorized attacker to elevate privileges locally.
Affected productsWindows 11 Version 23H2 for ARM64-based Systems, Windows 11 Version 23H2 for x64-based Systems, Windows 11 Version 24H2 for ARM64-based Systems, Windows 11 Version 24H2 for x64-based Systems
Fixed versions10.0.22631.7652, 10.0.26100.9711, 10.0.26200.9711, 10.0.26300.9711
Vendor guidance
Install KB5126653. Install KB5127648. Install KB5126646. Install KB5127646.
Microsoft Security Response CenterCVE-2026-69896
HighCVSS 7.0
Windows Error Reporting Elevation of Privilege Vulnerability
Use after free in Windows Error Reporting allows an authorized attacker to elevate privileges locally.
Affected productsWindows Server 2025 (Server Core installation), Windows 11 Version 25H2 for ARM64-based Systems, Windows 11 Version 25H2 for x64-based Systems, Windows 11 Version 24H2 for ARM64-based Systems
Fixed versions10.0.26100.33438, 10.0.26200.9445, 10.0.26100.9445, 10.0.28000.2954
Vendor guidance
Install KB5122871. Install KB5124008. Install KB5124012.
Microsoft Security Response CenterCVE-2026-62737
HighCVSS 7.8
Windows Kernel Elevation of Privilege Vulnerability
Untrusted pointer dereference in Windows Kernel allows an authorized attacker to elevate privileges locally.
Affected productsWindows Server 2025 (Server Core installation), Windows 11 Version 25H2 for ARM64-based Systems, Windows 11 Version 25H2 for x64-based Systems, Windows 11 Version 24H2 for ARM64-based Systems
Fixed versions10.0.26100.33296, 10.0.26100.33222, 10.0.26200.9168, 10.0.26200.9106
Vendor guidance
Install KB5120233. Install KB5120228. Install KB5121003. Install KB5120994. Install KB5121000.
Citrix Security BulletinsCTX697170
High
XenServer Security Update for CVE-2026-79610, CVE-2026-79610, CVE-2026-102700 and CVE-2026-102701
Several issues have been identified that affect XenServer 8.4 and XenServer 9. Three of these issues may allow a malicious privileged user in a guest VM to compromise or crash the host.
Affected productsXenServer
Vendor guidance
We have pushed updates to both the Early Access and Normal update channels of each of XenServer 8.4 and XenServer 9. We recommend that customers update to the latest version from their chosen channel following the ins...
Microsoft Security Response CenterCVE-2026-85197
HighCVSS 7.6
Libsoup: libsoup: heap use-after-free in libsoup http/2 client on_data_read() via goaway during body upload
Mariner
Affected productsazl3 libsoup 3.4.4-16 on Azure Linux 3.0, azl3 libsoup 3.4.4-17 on Azure Linux 3.0
Fixed versions3.4.4-17
Vendor guidance
Release Notes
Microsoft Security Response CenterCVE-2026-77014
MediumCVSS 5.3
Libsoup: libsoup: integer truncation in sort_ranges() comparator causes silent omission of http range responses
Mariner
Affected productsazl3 libsoup 3.4.4-16 on Azure Linux 3.0, azl3 libsoup 3.4.4-17 on Azure Linux 3.0
Fixed versions3.4.4-17
Vendor guidance
Release Notes
Microsoft Security Response CenterCVE-2025-51480
HighCVSS 8.8
Path Traversal vulnerability in onnx.external_data_helper.save_external_data in ONNX 1.17.0 allows attackers to overwrite arbitrary files by supplying crafted external_data.location paths containing traversal sequences, bypassing intended directory restrictions.
Is Azure Linux the only Microsoft product that includes this open-source library and is therefore potentially affected by this vulnerability? One of the main benefits to our customers who choose to use the Azure Linux distro is the commitment to keep it up to date with the mos...
Affected productscbl2 pytorch 2.0.0-11 on CBL Mariner 2.0, azl3 pytorch 2.2.2-9 on Azure Linux 3.0, azl3 pytorch 2.2.2-10 on Azure Linux 3.0, cbl2 pytorch 2.0.0-14 on CBL Mariner 2.0
Fixed versions2.2.2-15
Vendor guidance
CBL-Mariner Releases Release Notes
Microsoft Security Response CenterCVE-2024-30896
CriticalCVSS 9.1
InfluxDB OSS 2.x through 2.7.11 stores the administrative operator token under the default organization which allows authorized users with read access to the authorization resource of the default organization to retrieve the operator token. InfluxDB OSS 1.x, Enterprise, Cloud, Cloud Dedicated and Clustered are not affected. NOTE: The researcher states that InfluxDB allows allAccess administrators to retrieve all raw tokens via an "influx auth ls" command. The supplier indicates that the organizations feature is operating as intended and that users may choose to add users to non-default organizations. A future release of InfluxDB 2.x will remove the ability to retrieve tokens from the API.
Is Azure Linux the only Microsoft product that includes this open-source library and is therefore potentially affected by this vulnerability? One of the main benefits to our customers who choose to use the Azure Linux distro is the commitment to keep it up to date with the mos...
Affected productscbl2 influxdb 2.6.1-22 on CBL Mariner 2.0, cbl2 influxdb 2.6.1-23 on CBL Mariner 2.0, cbl2 influxdb 2.6.1-24 on CBL Mariner 2.0, cbl2 influxdb 2.6.1-30 on CBL Mariner 2.0
Vendor guidance
Release Notes
Microsoft Security Response CenterCVE-2026-95184
HighCVSS 7.5
Improper certificate validation in gnutls v3.8.13 causes the application to reject legitimate certificates for valid users, leading to a Denial of Service (DoS).
Mariner
Affected productsazl3 gnutls 3.8.13-1 on Azure Linux 3.0
Vendor guidance
Release Notes
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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.