Information Disclosure in Microsoft XML Core Services across Multiple Windows Versions
CVE-2017-0022

6.5MEDIUM

Key Information:

Vendor
Microsoft
Vendor
CVE Published:
17 March 2017

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 49%🦅 CISA Reported

Summary

Microsoft XML Core Services (MSXML) in various Windows operating systems contains a vulnerability that allows attackers to access sensitive information on disk through crafted web content. This improper handling of memory can lead to leakage of files, presenting a risk to users and systems. It is crucial for users of affected Windows versions to apply the necessary security updates to mitigate potential exposure.

CISA Reported

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 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.

Affected Version(s)

XML Core Services XML Core Services (MSXML) in Windows 10 Gold, 1511, and 1607; Windows 7 SP1; Windows 8.1; Windows RT 8.1; Windows Server 2008 SP2 and R2 SP1; Windows Server 2012 Gold and R2; Windows Server 2016; and Windows Vista SP2

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

49% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • 👾

    Exploit known to exist

  • 🦅

    CISA Reported

  • 🟡

    Public PoC available

  • Vulnerability published

  • Vulnerability Reserved

.