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16,938Advisories collected
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16,938 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-2026-50461
HighCVSS 7.8
Windows NTFS Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code 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. Install KB5099445. Install KB5099444.
Microsoft Security Response CenterCVE-2026-50342
HighCVSS 8.8
Windows MIDI Service Module Elevation of Privileges Vulnerability
Improper access control in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.
Affected productsWindows 11 Version 25H2 for ARM64-based Systems, Windows 11 Version 25H2 for x64-based Systems, Windows 11 Version 24H2 for ARM64-based Systems, Windows 11 Version 24H2 for x64-based Systems
Fixed versions10.0.26200.8875, 10.0.26100.8875, 10.0.28000.2525
Vendor guidance
Install KB5101650. Install KB5101649.
Microsoft Security Response CenterCVE-2026-50309
HighCVSS 7.8
Windows NTFS Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code 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. Install KB5099445. Install KB5099444.
Microsoft Security Response CenterCVE-2026-50298
HighCVSS 6.8
Windows Spaceport.sys Elevation of Privilege Vulnerability
Integer overflow or wraparound in Windows Spaceport.sys allows an unauthorized attacker to elevate privileges with a physical attack.
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. Install KB5099445. Install KB5099444.
Microsoft Security Response CenterCVE-2026-62898
HighCVSS 7.5
Microsoft QUIC Information Disclosure Vulnerability
Use after free in Microsoft QUIC allows an unauthorized attacker to disclose information over a network.
Affected products.NET 10.0 runtime installed on Windows, Microsoft Visual Studio 2022 version 17.14, Microsoft Visual Studio 2026 version 18.8, .NET 9.0 runtime installed on Windows
Fixed versions10.0.11, 17.14.38, 18.8.3, 9.0.19
Vendor guidance
Install KB5122106. Install KB5122105. Install KB5122104.
Microsoft Security Response CenterCVE-2026-70354
HighCVSS 7.8
.NET Core Remote Code Execution Vulnerability
Out-of-bounds write in .NET allows an unauthorized attacker to execute code locally.
Affected productsMicrosoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for 32-bit Systems, Microsoft .NET Framework 3.5 on Windows Server 2012, Microsoft .NET Framework 3.5 on Windows Server 2012 (Server Core installation), Microsoft .NET Framework 3.5 on Windows 11 Version 26H1 for ARM64-based Systems
Fixed versions2.0.50727.8984 & 3.0.30729.8980 & 4.7.4144.0, 2.0.50727.8984 & 3.0.30729.8980, 2.0.50727.9183 & 3.0.30729.9169, 2.0.50727.9070 & 3.0.30729.9068 & 4.8.4805.0
Vendor guidance
Install KB5120418. Install KB5120716. Install KB5120747. Install KB5120695. Install KB5120703. Install KB5120698. Install KB5120701. Install KB5120705. Install KB5120709. Install KB5120714. Install KB5120700. Install ...
Microsoft Security Response CenterCVE-2026-64906
HighCVSS 7.8
Microsoft Access Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code locally.
Affected productsMicrosoft Office 2019 for 32-bit editions, Microsoft Office 2019 for 64-bit editions, Microsoft 365 Apps for Enterprise for 32-bit Systems, Microsoft 365 Apps for Enterprise for 64-bit Systems
Fixed versionshttps://aka.ms/OfficeSecurityReleases, 16.0.5565.1000
Vendor guidance
Click to Run Install KB5002832.
Microsoft Security Response CenterCVE-2026-62902
HighCVSS 6.5
.NET Information Disclosure Vulnerability
Inclusion of functionality from untrusted control sphere in .NET allows an unauthorized attacker to disclose information over a network.
Affected products.NET 8.0 runtime installed on Windows, .NET 9.0 runtime installed on Windows, Microsoft Visual Studio 2022 version 17.14, Microsoft Visual Studio 2026 version 18.8
Fixed versions8.0.30, 9.0.19, 17.14.38, 18.8.3
Vendor guidance
Install KB5122104. Install KB5122105.
Microsoft Security Response CenterCVE-2026-62897
HighCVSS 7.0
.NET Framework Remote Code Execution Vulnerability
Integer overflow or wraparound in .NET Framework allows an unauthorized attacker to execute code locally.
Affected productsMicrosoft .NET Framework 4.8.1 on Windows 11 Version 26H1 for ARM64-based Systems, Microsoft .NET Framework 3.5 on Windows 11 Version 26H1 for ARM64-based Systems, Microsoft .NET Framework 4.8.1 on Windows 11 version 26H1 for x64-based Systems, .NET 10.0 runtime installed on Windows
Fixed versions4.8.9344.0, 2.0.50727.9183 & 3.0.30729.9169, 10.0.11, 8.0.30
Vendor guidance
Install KB5120711. Install KB5120747. Install KB5122106. Install KB5122104. Install KB5122105. Install KB5120703. Install KB5120698.
Microsoft Security Response CenterCVE-2026-62695
HighCVSS 7.8
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 Server 2025 (Server Core installation), Windows 11 Version 25H2 for ARM64-based Systems
Fixed versions10.0.20348.5499, 10.0.20348.5440, 10.0.26100.33296, 10.0.26100.33222
Vendor guidance
Install KB5120242. Install KB5120229. Install KB5120233. Install KB5120228. Install KB5121003. Install KB5120994. Install KB5120240. Install KB5121000.
Microsoft Security Response CenterCVE-2026-61346
Severity not listedCVSS 7.0
Windows Graphics Kernel Elevation of Privilege Vulnerability
Use after free in Windows Graphics Kernel allows an authorized attacker to elevate privileges locally.
Vendor guidance
Install KB5120238. Install KB5120242. Install KB5120229. Install KB5120249. Install KB5120233. Install KB5120228. Install KB5121003. Install KB5120994. Install KB5120240. Install KB5121000.
Microsoft Security Response CenterCVE-2026-53399
MediumCVSS 5.5
nfsd: release layout stid on setlease failure
Mariner
Affected productsazl3 kernel 6.6.144.1-1 on Azure Linux 3.0
Fixed versions6.6.145.2-1
Vendor guidance
CBL-Mariner Releases
Microsoft Security Response CenterCVE-2026-53400
HighCVSS 7.5
i2c: core: fix adapter registration race
Mariner
Affected productsazl3 kernel 6.6.144.1-1 on Azure Linux 3.0
Fixed versions6.6.145.2-1
Vendor guidance
CBL-Mariner Releases
Microsoft Security Response CenterCVE-2026-53368
HighCVSS 7.1
f2fs: fix fsck inconsistency caused by incorrect nat_entry flag usage
Mariner
Affected productsazl3 kernel 6.6.144.1-1 on Azure Linux 3.0
Microsoft Security Response CenterCVE-2026-63806
HighCVSS 7.3
KVM: Replace guest-triggerable BUG_ON() in ioeventfd datamatch with get_unaligned()
Mariner
Affected productsazl3 kernel 6.6.144.1-1 on Azure Linux 3.0
Fixed versions6.6.145.2-1
Vendor guidance
CBL-Mariner Releases
Microsoft Security Response CenterCVE-2026-53392
MediumCVSS 5.5
NFSv4/flexfiles: reject zero filehandle version count
Mariner
Affected productsazl3 kernel 6.6.144.1-1 on Azure Linux 3.0
Fixed versions6.6.145.2-1
Vendor guidance
CBL-Mariner Releases
Microsoft Security Response CenterCVE-2026-63811
MediumCVSS 5.5
f2fs: read COW data with the original inode during atomic write
Mariner
Affected productsazl3 kernel 6.6.144.1-1 on Azure Linux 3.0
Microsoft Security Response CenterCVE-2026-53401
HighCVSS 7.0
fbdev: omap2: fix use-after-free in omapfb_mmap
Mariner
Affected productsazl3 kernel 6.6.144.1-1 on Azure Linux 3.0
Microsoft Security Response CenterCVE-2026-63810
HighCVSS 7.1
block: Avoid mounting the bdev pseudo-filesystem in userspace
Mariner
Affected productsazl3 kernel 6.6.144.1-1 on Azure Linux 3.0
Fixed versions6.6.145.2-1
Vendor guidance
CBL-Mariner Releases
Microsoft Security Response CenterCVE-2026-63819
MediumCVSS 5.0
f2fs: fix to do sanity check on f2fs_get_node_folio_ra()
Mariner
Affected productsazl3 kernel 6.6.144.1-1 on Azure Linux 3.0
Microsoft Security Response CenterCVE-2026-53402
HighCVSS 7.1
fbdev: fbcon: fix out-of-bounds read in err_out of fbcon_do_set_font()
Mariner
Affected productsazl3 kernel 6.6.144.1-1 on Azure Linux 3.0
Fixed versions6.6.145.2-1
Vendor guidance
CBL-Mariner Releases
Microsoft Security Response CenterCVE-2026-56115
MediumCVSS 8.8
Bootimus 0.1.70 Broken Access Control via JWTMiddleware Authorization Bypass
Mariner
Affected productsazl3 dhcpcd 10.0.8-1 on Azure Linux 3.0
Microsoft Security Response CenterCVE-2026-56123
CriticalCVSS 8.1
socat 1.8.0.0 - 1.8.1.1 Heap Buffer Overflow via SOCKS5 Reply Parser
Mariner
Affected productsazl3 socat 1.7.4.4-2 on Azure Linux 3.0
Microsoft Security Response CenterCVE-2026-63805
HighCVSS 7.1
crypto: nx - fix nx_crypto_ctx_exit argument
Mariner
Affected productsazl3 kernel 6.6.144.1-1 on Azure Linux 3.0
Before you act
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.