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HIGH Severity CVEs

CVSS 7.0 – 8.9

CVSS 7.0–8.9 — serious vulnerabilities that can lead to significant data exposure, privilege escalation, or service disruption

143,102
Total
363
Known Exploited
Showing 73,421 of 143,102 total · Page 145/1469
7.8
CVE-2026-50494

Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally.

7.8
CVE-2026-50493

Use after free in Windows Graphics Kernel allows an authorized attacker to elevate privileges locally.

7.0
CVE-2026-50491

Out-of-bounds read in Code Integrity DLL (ci.dll) allows an authorized attacker to elevate privileges locally.

7.0
CVE-2026-50490

Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.

8.8
CVE-2026-50489

Heap-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges locally.

7.8
CVE-2026-50488

Improper neutralization of special elements used in a command ('command injection') in Windows Clipboard User Service al

8.1
CVE-2026-50487

Use after free in Microsoft Windows DNS allows an unauthorized attacker to elevate privileges over a network.

7.8
CVE-2026-50486

Use after free in Windows Runtime allows an authorized attacker to elevate privileges locally.

7.8
CVE-2026-50484

Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.

7.3
CVE-2026-50482

Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally.

7.8
CVE-2026-50480

Heap-based buffer overflow in Windows Web Proxy Auto-Discovery Protocol (WPAD) allows an authorized attacker to elevate

7.8
CVE-2026-50479

Untrusted pointer dereference in Windows USB Hub Driver allows an authorized attacker to elevate privileges locally.

7.8
CVE-2026-50478

Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.

8.8
CVE-2026-50477

Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.

7.8
CVE-2026-50476

Use after free in Microsoft Windows allows an authorized attacker to elevate privileges locally.

8.8
CVE-2026-50474

Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

7.8
CVE-2026-50471

Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally.

7.5
CVE-2026-50470

Out-of-bounds read in Windows Network Policy Server SNMP allows an unauthorized attacker to disclose information over a

7.8
CVE-2026-50469

Improper link resolution before file access ('link following') in Windows Projected File System allows an authorized att

7.8
CVE-2026-50467

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

7.8
CVE-2026-50466

Use after free in Windows Brokering File System allows an authorized attacker to elevate privileges locally.

7.1
CVE-2026-50465

Improper access control in Microsoft Windows DNS allows an authorized attacker to perform tampering locally.

7.5
CVE-2026-50463

Out-of-bounds read in Windows Kernel allows an unauthorized attacker to disclose information over a network.

7.8
CVE-2026-50462

External control of file name or path in Windows Ancillary Function Driver for WinSock allows an authorized attacker to

7.8
CVE-2026-50461

Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally.

8.1
CVE-2026-50460

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Runtime allows an

7.0
CVE-2026-50459

Use after free in Windows Kernel allows an unauthorized attacker to elevate privileges locally.

7.8
CVE-2026-50458

Use after free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.

7.8
CVE-2026-50457

Use after free in Windows Runtime allows an authorized attacker to elevate privileges locally.

7.8
CVE-2026-50454

Relative path traversal in Windows User Interface Core allows an authorized attacker to elevate privileges locally.

7.0
CVE-2026-50452

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Runtime allows an

7.1
CVE-2026-50451

Missing authentication for critical function in Windows Routing and Remote Access Service (RRAS) allows an authorized at

7.8
CVE-2026-50450

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Wireless Wide Are

7.0
CVE-2026-50449

Use after free in Windows Runtime allows an authorized attacker to elevate privileges locally.

7.8
CVE-2026-50448

Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally.

8.8
CVE-2026-50444

Missing authentication for critical function in Windows Server Update Service allows an authorized attacker to elevate p

7.8
CVE-2026-50441

Untrusted pointer dereference in Windows Resilient File System (ReFS) allows an authorized attacker to elevate privilege

7.8
CVE-2026-50440

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Audio Service all

8.1
CVE-2026-50439

Use after free in Microsoft Message Queuing Queue Manager allows an unauthorized attacker to execute code over a network

8.8
CVE-2026-50438

Improper link resolution before file access ('link following') in Microsoft PC Manager allows an authorized attacker to

7.8
CVE-2026-50436

Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.

7.8
CVE-2026-50435

Buffer over-read in Windows Overlay Filter allows an authorized attacker to elevate privileges locally.

7.8
CVE-2026-50433

Use after free in Windows Media allows an authorized attacker to elevate privileges locally.

8.2
CVE-2026-50429

Out-of-bounds read in Windows Kernel allows an unauthorized attacker to disclose information over a network.

7.1
CVE-2026-50428

Out-of-bounds read in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to disclo

7.8
CVE-2026-50427

Use after free in Content Delivery Manager allows an authorized attacker to elevate privileges locally.

7.8
CVE-2026-50425

Use after free in Windows Internal System User Profile allows an authorized attacker to elevate privileges locally.

7.5
CVE-2026-50424

Untrusted pointer dereference in Windows Domain Controller allows an unauthorized attacker to deny service over a networ

7.8
CVE-2026-50423

Improper access control in Windows Kernel allows an authorized attacker to elevate privileges locally.

7.8
CVE-2026-50422

Out-of-bounds read in Windows NTFS allows an authorized attacker to elevate privileges locally.

Frequently Asked Questions

What does HIGH severity mean for CVEs?

CVSS 7.0–8.9 — serious vulnerabilities that can lead to significant data exposure, privilege escalation, or service disruption

How many high severity CVEs exist?

There are 143,102 CVE records rated HIGH in our database. Of these, 363 are listed in CISA's Known Exploited Vulnerabilities catalog.

How should I prioritize high severity vulnerabilities?

HIGH severity vulnerabilities should be patched immediately, especially if they are in the CISA KEV catalog or have a high EPSS score. Use CyberStrike to automatically detect and prioritize these vulnerabilities across your infrastructure.

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