Privilege Escalation Vulnerability in Microsoft Windows Kernel Drivers
CVE-2016-7255

7.8HIGH

Key Information:

Vendor

Microsoft

Vendor
CVE Published:
10 November 2016

Badges

πŸ‘Ύ Exploit Exists🟑 Public PoC🟣 EPSS 89%πŸ¦… CISA Reported

What is CVE-2016-7255?

A vulnerability exists in the Windows kernel-mode drivers that could allow local users to elevate their privileges through a specifically crafted application. This affects multiple versions of Microsoft Windows, enabling unauthorized access and exploitation of system-level functionalities. Mitigation strategies should be implemented immediately to protect against potential attacks exploiting this flaw.

CISA has reported CVE-2016-7255

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed CVE-2016-7255 as being exploited but is not known by the CISA to be used in ransomware campaigns. This is subject to change at pace

The CISA's recommendation is: Apply updates per vendor instructions.

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Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

References

EPSS Score

89% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • πŸ¦…

    CISA Reported

  • 🟑

    Public PoC available

  • πŸ‘Ύ

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.