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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 147/1469
7.8
CVE-2026-50344

Improper authorization in Windows OLE allows an authorized attacker to elevate privileges locally.

7.8
CVE-2026-50343

Improper privilege management in Microsoft Install Service allows an authorized attacker to elevate privileges locally.

8.5
CVE-2026-50340

Use after free in Windows Runtime allows an authorized attacker to elevate privileges over a network.

7.8
CVE-2026-50337

Incorrect type conversion or cast in Windows Notification allows an authorized attacker to elevate privileges locally.

7.8
CVE-2026-50336

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

7.8
CVE-2026-50335

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

7.8
CVE-2026-50332

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

7.8
CVE-2026-50331

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

7.5
CVE-2026-50330

Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to elevate privileges over a network

7.8
CVE-2026-50329

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

7.5
CVE-2026-50328

Uncaught exception in Windows Server Update Service allows an unauthorized attacker to perform tampering over a network.

7.8
CVE-2026-50327

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

7.8
CVE-2026-50326

Use after free in Windows Unified Consent System allows an authorized attacker to elevate privileges locally.

7.0
CVE-2026-50322

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

7.8
CVE-2026-50321

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

7.8
CVE-2026-50317

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Operating Systems

7.8
CVE-2026-50315

Null pointer dereference in Windows Image Acquisition allows an authorized attacker to elevate privileges locally.

7.8
CVE-2026-50314

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

7.8
CVE-2026-50313

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

7.8
CVE-2026-50309

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

7.0
CVE-2026-50307

Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges locally.

7.8
CVE-2026-50306

Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges locally.

7.8
CVE-2026-50305

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

7.5
CVE-2026-50304

Stack-based buffer overflow in Active Directory Federation Services allows an unauthorized attacker to deny service over

7.8
CVE-2026-50301

Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.

7.4
CVE-2026-4017

Buffer Overflow in the entry handler of the TraceEvent() system call could allow an attacker with local access to cause

7.8
CVE-2026-48368

Audition is affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the contex

7.8
CVE-2026-48365

Audition is affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the contex

7.8
CVE-2026-48309

Audition is affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the contex

7.8
CVE-2026-47968

Audition is affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the contex

7.8
CVE-2026-47967

Audition is affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the contex

7.8
CVE-2026-47642

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

8.8
CVE-2026-47295

Improper neutralization of special elements used in an sql command ('sql injection') in SQL Server allows an authorized

7.8
CVE-2026-47290

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

7.5
CVE-2026-45756

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. From 7.3.0-BETA1 until

8.6
CVE-2026-45077

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 5.4.52, 6.4.4

8.1
CVE-2026-45074

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. From 7.1.0 until 7.4.1

7.5
CVE-2026-59886

pyasn1 is a generic ASN.1 library for Python. Prior to 0.6.4, the univ.Real type converted its mantissa, base, and expon

7.5
CVE-2026-59885

pyasn1 is a generic ASN.1 library for Python. Prior to 0.6.4, the BER, CER, and DER decoders process OBJECT IDENTIFIER a

7.5
CVE-2026-59884

pyasn1 is a generic ASN.1 library for Python. Prior to 0.6.4, the BER decoder shared by the CER and DER codecs parses lo

7.5
CVE-2026-59200

Pillow is a Python imaging library. From 5.1.0 until 12.3.0, PdfParser.PdfStream.decode() in PIL/PdfParser.py calls zlib

8.2
CVE-2026-59197

Pillow is a Python imaging library. Prior to 12.3.0, Pillow's public rank-filter API can trigger a native heap out-of-bo

8.0
CVE-2026-58647

Improper neutralization of input during web page generation ('cross-site scripting') in Power BI allows an authorized at

7.3
CVE-2026-58640

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

7.8
CVE-2026-58636

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

7.8
CVE-2026-58635

Improper neutralization of special elements used in a command ('command injection') in Windows Narrator Braille allows a

7.8
CVE-2026-58631

Improper authorization in Windows Admin Center allows an authorized attacker to execute code locally.

7.8
CVE-2026-58618

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

7.8
CVE-2026-58610

Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code locally

7.8
CVE-2026-58609

Out-of-bounds read in Microsoft Graphics Component allows an unauthorized attacker to execute code 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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