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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-2026-29786
HighCVSS 6.3
node-tar: Hardlink Path Traversal via Drive-Relative Linkpath
Mariner
Affected productscbl2 tar 1.34-3 on CBL Mariner 2.0
Microsoft Security Response CenterCVE-2026-89158
MediumCVSS 6.5
PCRE2 before 10.48, on 32-bit platforms, has a pcre2_compile_32 integer overflow and resultant out-of-bounds write.
Mariner
Affected productsazl3 pcre2 10.42-3 on Azure Linux 3.0
Fixed versions10.48-1
Vendor guidance
See the Microsoft Security Update Guide for the update that applies to your product.
Ubuntu Security NoticesUSN-8804-1
Severity not listed
USN-8804-1: OpenSSH vulnerabilities
Florian Kohnhäuser discovered that OpenSSH incorrectly handled shell metacharacters in certain usernames. An attacker could possibly use this issue to execute arbitrary commands when certain non-default configurations were used, resulting in arbitrary code execution. This issu...
Ubuntu Security NoticesUSN-8803-1
Severity not listed
USN-8803-1: Sudo vulnerability
Guannan Wang, Zhanpeng Liu, and Guancheng Li discovered that Sudo failed to apply intercept policy checks when commands were executed under certain circumstances. A local attacker permitted to run specific commands could possibly use this issue to bypass policy enforcement and...
Ubuntu Security NoticesUSN-8802-1
Severity not listed
USN-8802-1: Linux kernel (Oracle) vulnerabilities
Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM32 architecture; - ARM64 architecture; - PowerPC architecture; - Compute Acceleration Framew...
Vendor guidance
This update corrects flaws in the following subsystems: - ARM32 architecture; - ARM64 architecture; - PowerPC architecture; - Compute Acceleration Framework; - Drivers core; - Bluetooth drivers; - Arm Firmware Framewo...
Ubuntu Security NoticesUSN-8728-2
Severity not listed
USN-8728-2: Linux kernel (Azure) vulnerabilities
It was discovered that some Arm processors could complete a broadcast translation lookaside buffer (TLB) invalidation before memory writes made through the invalidated translation were globally observed. A local attacker could possibly use this to write to memory after permiss...
Vendor guidance
This update corrects flaws in the following subsystems: - x86 platform drivers; - ARM64 architecture; - Cryptographic API; - PSP security protocol; - User-space API (UAPI); - Kernel build system; - ARM32 architecture;...
Ubuntu Security NoticesUSN-8726-4
Severity not listed
USN-8726-4: Linux kernel vulnerabilities
It was discovered that some Arm processors could complete a broadcast translation lookaside buffer (TLB) invalidation before memory writes made through the invalidated translation were globally observed. A local attacker could possibly use this to write to memory after permiss...
Vendor guidance
This update corrects flaws in the following subsystems: - ARM64 architecture; - User-space API (UAPI); - Kernel build system; - ARM32 architecture; - RISC-V architecture; - S390 architecture; - x86 architecture; - Blo...
Ubuntu Security NoticesUSN-8729-4
Severity not listed
USN-8729-4: Linux kernel (Low Latency) vulnerabilities
Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM32 architecture; - ARM64 architecture; - PowerPC architecture; - Compute Acceleration Framew...
Vendor guidance
This update corrects flaws in the following subsystems: - ARM32 architecture; - ARM64 architecture; - PowerPC architecture; - Compute Acceleration Framework; - Drivers core; - Bluetooth drivers; - Arm Firmware Framewo...
Ubuntu Security NoticesUSN-8730-5
Severity not listed
USN-8730-5: Linux kernel vulnerability
A security issue was discovered in the Linux kernel. An attacker could possibly use this to compromise the system. This update corrects flaws in the following subsystems: - IPv6 networking; - Netfilter;
Vendor guidance
This update corrects flaws in the following subsystems: - IPv6 networking; - Netfilter;
Ubuntu Security NoticesUSN-8793-2
Severity not listed
USN-8793-2: Linux kernel (Azure CVM) vulnerabilities
Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Bluetooth drivers; - GPU drivers; - Hardware monitoring drivers; - SPI subsystem; - NTFS3 file ...
Vendor guidance
This update corrects flaws in the following subsystems: - Bluetooth drivers; - GPU drivers; - Hardware monitoring drivers; - SPI subsystem; - NTFS3 file system; - io_uring subsystem; - Ethernet bridge; - Multipath TCP...
Ubuntu Security NoticesUSN-8661-5
Severity not listed
USN-8661-5: Linux kernel (Raspberry Pi) vulnerabilities
Siebe Devroe, Héloïse Gollier, and Mathy Vanhoef discovered that the WiFi implementation in the Linux kernel did not properly handle aggregated frames in mesh networks, due to an incorrect fix for CVE-2020-24588. A physically proximate attacker could use this issue to inject p...
Vendor guidance
This update corrects flaws in the following subsystems: - x86 architecture; - InfiniBand drivers; - Network drivers; - NVME drivers; - Ext4 file system; - SMB network file system; - IPv4 networking; - Network traffic ...
Ubuntu Security NoticesUSN-8760-2
Severity not listed
USN-8760-2: Linux kernel (NVIDIA) vulnerabilities
Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - User-space API (UAPI); - Kernel build system; - ARM32 architecture; - ARM64 architecture; - RIS...
Vendor guidance
This update corrects flaws in the following subsystems: - User-space API (UAPI); - Kernel build system; - ARM32 architecture; - ARM64 architecture; - RISC-V architecture; - S390 architecture; - x86 architecture; - Blo...
Ubuntu Security NoticesUSN-8801-1
Severity not listed
USN-8801-1: Linux kernel (Azure CVM) vulnerabilities
It was discovered that some Arm processors could complete a broadcast translation lookaside buffer (TLB) invalidation before memory writes made through the invalidated translation were globally observed. A local attacker could possibly use this to write to memory after permiss...
Vendor guidance
This update corrects flaws in the following subsystems: - Character device driver; - Networking core; - IPv6 networking; - Unix domain sockets; (CVE-2026-52938, CVE-2026-53325, CVE-2026-53361, CVE-2026-53362)
Ubuntu Security NoticesUSN-8800-1
Severity not listed
USN-8800-1: Linux kernel (NVIDIA BaseOS) vulnerabilities
Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - User-space API (UAPI); - Kernel build system; - ARM32 architecture; - ARM64 architecture; - RIS...
Vendor guidance
This update corrects flaws in the following subsystems: - User-space API (UAPI); - Kernel build system; - ARM32 architecture; - ARM64 architecture; - RISC-V architecture; - S390 architecture; - x86 architecture; - Blo...
Microsoft Security Response CenterCVE-2026-57091
HighCVSS 7.8
Windows File History Service Elevation of Privilege Vulnerability
Stack-based buffer overflow in Windows File History 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 versions10.0.17763.9020, 10.0.20348.5386, 10.0.19044.7548, 10.0.19045.7548
Vendor guidance
Install KB5099538. Install KB5099540. Install KB5099539. Install KB5099536. Install KB5101650. Install KB5101649. Install KB5099535.
Microsoft Security Response CenterCVE-2026-55134
HighCVSS 7.8
Microsoft Word Remote Code Execution Vulnerability
Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Affected productsMicrosoft Office 365 for Mac, Microsoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server 2019, Microsoft Office 2019 for 32-bit editions
Fixed versions16.111.26071215, 16.0.5561.1001, 16.0.10417.20175, https://aka.ms/OfficeSecurityReleases
Vendor guidance
Release Notes Click to Run Install KB5002891. Install KB5002892. Install KB5002883. Install KB5002885. Install KB5002882. Install KB5002890.
Microsoft Security Response CenterCVE-2026-77886
HighCVSS 7.5
Windows DHCP Server Denial of Service Vulnerability
Out-of-bounds read in Windows DHCP Server allows an unauthorized attacker to deny service over a network.
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 versions10.0.17763.9245, 10.0.20348.5622, 10.0.26100.33438, 10.0.14393.9512
Vendor guidance
Install KB5122876. Install KB5122882. Install KB5122871. Install KB5123099. Install KB5123065. Install KB5123066.
Microsoft Security Response CenterCVE-2026-69572
HighCVSS 5.7
Windows SMB Client Information Disclosure Vulnerability
Out-of-bounds read in Windows SMB Client allows an authorized attacker to disclose information over a network.
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 versions10.0.17763.9245, 10.0.20348.5622, 10.0.19044.7725, 10.0.19045.7725
Vendor guidance
Install KB5122876. Install KB5122882. Install KB5122878. Install KB5122871. Install KB5124008. Install KB5122880. Install KB5124012. Install KB5123099. Install KB5123065. Install KB5123066.
Microsoft Security Response CenterCVE-2026-68824
HighCVSS 7.0
Connected User Experiences and Telemetry Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Connected User Experiences and Telemetry allows an authorized attacker to elevate privileges locally.
Affected productsWindows Server 2022, Windows Server 2022 (Server Core installation), Windows 10 Version 21H2 for 32-bit Systems, Windows 10 Version 21H2 for ARM64-based Systems
Fixed versions10.0.20348.5622, 10.0.19044.7725, 10.0.19045.7725, 10.0.26100.33438
Vendor guidance
Install KB5122882. Install KB5122878. Install KB5122871. Install KB5124008. Install KB5122880. Install KB5124012.
Microsoft Security Response CenterCVE-2026-57099
HighCVSS 7.5
ASP.NET Core Denial of Service Vulnerability
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.
Affected productsMicrosoft.AspNetCore.OData
Fixed versions7.8.1
Vendor guidance
Release Notes
Ubuntu Security NoticesUSN-8799-1
Severity not listed
USN-8799-1: libssh2 vulnerabilities
It was discovered that libssh2 incorrectly handled certain publickey subsystem attributes. A remote attacker controlling a malicious SSH server could use this issue to cause a denial of service or possibly execute arbitrary code. (CVE-2026-58050) It was discovered that libssh2...
Ubuntu Security NoticesUSN-8798-1
Severity not listed
USN-8798-1: GStreamer Good Plugins vulnerabilities
It was discovered that GStreamer Good Plugins incorrectly parsed certain MRF files. A remote attacker could possibly use this issue to execute arbitrary code. (CVE-2026-18295, CVE-2026-18296) It was discovered that GStreamer Good Plugins incorrectly parsed certain PNG files. A...
Ubuntu Security NoticesUSN-8797-1
Severity not listed
USN-8797-1: GStreamer Base Plugins vulnerability
It was discovered that GStreamer Base Plugins incorrectly handled certain OGG media files. A remote attacker could possibly use this issue to execute arbitrary code if it opened a specially crafted file.
Ubuntu Security NoticesUSN-8794-1
Severity not listed
USN-8794-1: GLib vulnerabilities
It was discovered that GLib's GDBus authentication mechanism failed to enforce length limitations on data lines read from a client. An unauthenticated attacker could exploit this to cause a denial of service via resource exhaustion. (CVE-2026-15588) It was discovered that the ...
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Start with the vendor's bulletin.
We normalize the fields that vendors publish so you can search and compare advisories in one place. We do not replace the original bulletin or turn a product-name match into proof that a system is vulnerable.
Confirm the installed product and version, read the linked vendor guidance, and test the recommended update or mitigation through your normal change process.