CurrentChecked 14 minutes ago
Checked every 15 minutes
Browse this vendor's advisories
Official source
Security advisories from the vendors you use.
Search new and updated bulletins from Microsoft, Citrix, Cisco, Palo Alto Networks, Fortinet, Ivanti, Delinea, Ubuntu, and AWS. We keep each vendor's advisory ID, affected products, CVEs, severity, dates, and available fix guidance together.
11Vendor sources
18,543Advisories collected
6,564Published or updated in 30 days
8,317Marked critical or high
Coverage
Connected directly to official vendor sources
The original vendor bulletin remains the authority. SecurityAlert gives you one place to find it and compare the details vendors publish in different formats.
CurrentChecked 14 minutes ago
Checked hourly
Browse this vendor's advisories
Official source
Check delayedChecked 29 days ago
Checked every 15 minutes
Browse this vendor's advisories
Official source
CurrentChecked 24 minutes ago
Checked hourly
Browse this vendor's advisories
Official source
CurrentChecked 24 minutes ago
Checked hourly
Browse this vendor's advisories
Official source
CurrentChecked 4 minutes ago
Checked every 15 minutes
Browse this vendor's advisories
Official source
CurrentChecked 14 minutes ago
Checked every 15 minutes
Browse this vendor's advisories
Official source
CurrentChecked 59 minutes ago
Checked every 6 hours
Browse this vendor's advisories
Official source
CurrentChecked 4 minutes ago
Checked every 15 minutes
Browse this vendor's advisories
Official source
Check delayedChecked 2 days ago
Checked hourly
Browse this vendor's advisories
Official source
CurrentChecked 4 minutes ago
Checked every 15 minutes
Browse this vendor's advisories
Official source
18,543 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-2026-48564
CriticalCVSS 8.8
DHCP Server Service Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows DHCP Server allows an authorized attacker to execute code 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 versions10.0.17763.9020, 10.0.20348.5386, 10.0.26100.33158, 10.0.14393.9339
Vendor guidance
Install KB5099538. Install KB5099540. Install KB5099536. Install KB5099535. Install KB5094042. Install KB5094041.
Microsoft Security Response CenterCVE-2026-42982
CriticalCVSS 7.8
Windows Secure Kernel Mode Elevation of Privilege Vulnerability
Improper validation of consistency within input in Windows Secure Kernel Mode 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 KB5099414. Install KB5101649. Install KB5095051. Install KB5099535.
Microsoft Security Response CenterCVE-2026-58638
HighCVSS 6.0
Windows Boot Loader Security Feature Bypass Vulnerability
Missing cryptographic step in Windows Boot Loader allows an authorized attacker to bypass a security feature 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-2026-58637
HighCVSS 7.0
Windows Client-Side Caching Elevation of Privilege Vulnerability
Use after free in Windows Client-Side Caching (CSC) 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. Install KB5099445. Install KB5099444.
Microsoft Security Response CenterCVE-2026-58636
HighCVSS 7.8
Microsoft PC Manager Elevation of Privilege Vulnerability
Improper link resolution before file access ('link following') in Window PC Manager allows an authorized attacker to elevate privileges locally.
Affected productsMicrosoft PC Manager
Fixed versions3.21.6.0
Vendor guidance
Release Notes
Microsoft Security Response CenterCVE-2026-58635
HighCVSS 7.8
Windows Narrator Braille Elevation of Privilege Vulnerability
Improper neutralization of special elements used in a command ('command injection') in Windows Narrator Braille 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.
Microsoft Security Response CenterCVE-2026-58634
HighCVSS 7.8
Desktop Window Manager Elevation of Privilege Vulnerability
Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
Affected productsWindows 11 version 26H1 for x64-based Systems, Windows 11 Version 26H1 for ARM64-based Systems
Fixed versions10.0.28000.2525
Vendor guidance
Install KB5101649.
Microsoft Security Response CenterCVE-2026-58633
HighCVSS 7.8
Desktop Window Manager Elevation of Privilege Vulnerability
Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
Affected productsWindows 11 version 26H1 for x64-based Systems, Windows 11 Version 26H1 for ARM64-based Systems
Fixed versions10.0.28000.2525
Vendor guidance
Install KB5101649.
Microsoft Security Response CenterCVE-2026-58632
HighCVSS 7.8
Windows Win32 Kernel Subsystem Elevation of Privilege Vulnerability
Use after free in Windows Win32K 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-2026-58631
HighCVSS 7.8
Windows Admin Center (WAC) Remote Code Execution Vulnerability
Improper authorization in Windows Admin Center allows an authorized attacker to execute code locally.
Affected productsWindows Admin Center
Fixed versions2.7.4
Vendor guidance
Release Notes
Microsoft Security Response CenterCVE-2026-58629
HighCVSS 7.0
DirectX Graphics Kernel Elevation of Privilege Vulnerability
Use after free in Windows DirectX 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 KB5099414. Install KB5101649. Install KB5099535. Install KB5099445. Install KB5099444.
Microsoft Security Response CenterCVE-2026-58628
HighCVSS 7.8
Windows Wireless Network Manager Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Wireless Networking 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.
Microsoft Security Response CenterCVE-2026-58627
HighCVSS 7.5
Windows DHCP Server Denial of Service Vulnerability
Uncontrolled resource consumption 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 versions10.0.17763.9020, 10.0.20348.5386, 10.0.26100.33158, 10.0.14393.9339
Vendor guidance
Install KB5099538. Install KB5099540. Install KB5099536. Install KB5099535. Install KB5099445. Install KB5099444.
Microsoft Security Response CenterCVE-2026-58626
HighCVSS 8.8
Windows Remote Desktop Services Remote Code Execution Vulnerability
Use after free in Windows Remote Desktop Services allows an authorized attacker to execute code over a network.
Affected productsWindows Server 2022, Windows 10 Version 21H2 for 32-bit Systems, Windows 10 Version 21H2 for ARM64-based Systems, Windows 10 Version 21H2 for x64-based Systems
Fixed versions10.0.20348.5386, 10.0.19044.7548, 10.0.19045.7548, 10.0.26100.33158
Vendor guidance
Install KB5099540. Install KB5099539. Install KB5099536. Install KB5101650. Install KB5101649.
Microsoft Security Response CenterCVE-2026-58619
HighCVSS 7.0
Windows Sensor Data Service Elevation of Privilege Vulnerability
Use after free in Windows Sensor Data 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-2026-58618
HighCVSS 7.8
Microsoft Excel Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Affected productsOffice Online Server, Microsoft Office 2019 for 32-bit editions, Microsoft Office 2019 for 64-bit editions, Microsoft 365 Apps for Enterprise for 32-bit Systems
Fixed versions16.0.10417.20175, https://aka.ms/OfficeSecurityReleases, 16.111.26071215, 16.0.5561.1001
Vendor guidance
Click to Run Release Notes Install KB5002884. Install KB5002886.
Microsoft Security Response CenterCVE-2026-58617
HighCVSS 8.1
M365 Copilot for iOS Elevation of Privilege Vulnerability
Improper access control in Microsoft 365 Copilot for iOS allows an unauthorized attacker to elevate privileges over a network.
Affected productsMicrosoft 365 Copilot for iOS
Fixed versions2.111.4
Vendor guidance
Release Notes
Microsoft Security Response CenterCVE-2026-58614
HighCVSS 5.5
Windows Kernel Security Feature Bypass Vulnerability
Out-of-bounds read in Windows Kernel allows an authorized attacker to bypass a security feature 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-2026-58613
HighCVSS 7.8
Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
Use after free in Windows Cloud Files Mini Filter Driver 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.
Microsoft Security Response CenterCVE-2026-58610
HighCVSS 7.8
Microsoft Windows Media Foundation Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Windows Media Foundation 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.
Microsoft Security Response CenterCVE-2026-58609
HighCVSS 7.8
Windows Graphics Component Remote Code Execution Vulnerability
Out-of-bounds read in Microsoft Graphics Component 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-2026-58602
HighCVSS 7.8
Windows Kernel-Mode Driver Elevation of Privilege Vulnerability
Use after free in Windows Kernel Mode Driver 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 versions10.0.26100.33158, 10.0.26200.8875, 10.0.26100.8875, 10.0.28000.2525
Vendor guidance
Install KB5099536. Install KB5101650. Install KB5101649.
Microsoft Security Response CenterCVE-2026-58601
HighCVSS 7.8
Virtual Hard Disk (VHD) Miniport Driver Elevation of Privilege Vulernability
Heap-based buffer overflow in Virtual Hard Disk (VHD) Miniport Driver 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 KB5099414. Install KB5101649. Install KB5099535.
Microsoft Security Response CenterCVE-2026-58595
HighCVSS 8.1
Microsoft Bing App for IOS Spoofing Vulnerability
Improper restriction of rendered ui layers or frames in Microsoft Bing App for IOS allows an unauthorized attacker to perform spoofing over a network.
Affected productsMicrosoft Bing Search for iOS
Fixed versions33.4.440529002
Vendor guidance
Release Notes
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.