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Vulnerability Assessment

Weakness
CWE
CWE-189
ASVS 5.0
V15 - Secure Coding and Architecture Numeric handling
Impact

CVSS score of 8.8 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, user interaction required. EPSS exploitation probability: 68.28%.
Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system.
Act Now Prioritize within 24-48h. Why: HIGH severity + EPSS > 10%.
No patch listed yet 68.3% exploitation probability (EPSS)

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AnalysisAI

Microsoft XML Core Services (aka MSXML) 3.0, 5.0, and 6.0 does not properly parse XML content, which allows remote attackers to execute arbitrary code via a crafted web page, aka "MSXML Integer. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Epss exploitation probability 68.3% and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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Technical ContextAI · show details

This vulnerability is classified under CWE-189. Microsoft XML Core Services (aka MSXML) 3.0, 5.0, and 6.0 does not properly parse XML content, which allows remote attackers to execute arbitrary code via a crafted web page, aka "MSXML Integer Truncation Vulnerability." Affected products include: Microsoft Xml Core Services, Microsoft Windows 7, Microsoft Windows 8, Microsoft Windows Server 2003, Microsoft Windows Server 2008.

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

NVD PRIMARY 8.8 HIGH
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionCVE.org

Microsoft XML Core Services (aka MSXML) 3.0, 5.0, and 6.0 does not properly parse XML content, which allows remote attackers to execute arbitrary code via a crafted web page, aka "MSXML Integer Truncation Vulnerability."

Threat Intelligence Overview

EPSS Score
68.3%
Top 1% exploitable
Data Quality
3 sources
Confidence: Low
NVD CVE.org EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 68.3%
Patch available No
Active threat No
Deciding rule
HIGH severity + EPSS > 10%
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

112
Low Medium High Critical
KEV: 0
EPSS: +68
CVSS: +44
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Remote Code Execution CRITICAL

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

Affected Products (CPE)CVE.org

cpe:2.3:a:microsoft:xml_core_services:3.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:xml_core_services:4.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:xml_core_services:6.0:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_7:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_7:-:sp1:x64:*:*:*:*:*
cpe:2.3:o:microsoft:windows_8:-:-:x64:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:itanium:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:x64:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:r2:-:x64:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_vista:*:sp2:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_xp:-:sp2:x64:*:*:*:*:*
cpe:2.3:a:microsoft:xml_core_services:4.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:xml_core_services:6.0:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_7:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_rt:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x86:*:*:*:*:*
cpe:2.3:o:microsoft:windows_vista:*:sp2:*:*:*:*:*:*
+ 14 more

More in Xml Core Services

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CVE-2013-0007 CRITICAL
9.3 Jan 09

Microsoft XML Core Services (aka MSXML) 4.0, 5.0, and 6.0 does not properly parse XML content, which allows remote attac
CVE-2016-0147 HIGH
8.8 Apr 12

Microsoft XML Core Services 3.0 allows remote attackers to execute arbitrary code via a crafted web site, aka "MSXML 3.0
CVE-2015-2471 MEDIUM
4.3 Aug 15

Microsoft XML Core Services 3.0, 5.0, and 6.0 supports SSL 2.0, which makes it easier for remote attackers to defeat cry
CVE-2015-1646 MEDIUM
4.3 Apr 14

Microsoft XML Core Services (aka MSXML) 3.0 allows remote attackers to bypass the Same Origin Policy and obtain sensitiv
CVE-2015-2434 MEDIUM
4.3 Aug 15

Microsoft XML Core Services 3.0 and 5.0 supports SSL 2.0, which makes it easier for remote attackers to defeat cryptogra
CVE-2015-2440 MEDIUM
4.3 Aug 15

Microsoft XML Core Services 3.0, 5.0, and 6.0 allows remote attackers to bypass the ASLR protection mechanism via a craf
CVE-2014-1816 MEDIUM
4.3 Jun 11

Microsoft XML Core Services (aka MSXML) 3.0 and 6.0 does not properly restrict the information transmitted by Internet E

Same weakness CWE-189 – Numeric Errors

View all
CVE-2013-2094 HIGH POC
8.4
CVE-2015-3864 CRITICAL POC
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CVE-2012-1182 CRITICAL POC
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CVE-2016-3645 CRITICAL POC
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CVE-2015-3087 CRITICAL POC
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CVE-2015-2470 CRITICAL POC
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CVE-2013-4124 MEDIUM POC
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Same technique RCE

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CVE-2021-44228 CRITICAL POC
10.0
CVE-2017-7269 CRITICAL POC
9.8
CVE-2022-47966 CRITICAL POC
9.8
CVE-2012-4681 CRITICAL POC
9.8
CVE-2023-3519 CRITICAL POC
9.8
CVE-2015-5119 CRITICAL POC
9.8
CVE-2016-4117 CRITICAL POC
9.8
CVE-2015-3113 CRITICAL POC
9.8

References

Advisories & patches
REF http://www.us-cert.gov/cas/techalerts/TA13-008A.html REF https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-002 REF https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16429 REF https://us-cert.cisa.gov/ics/advisories/icsa-20-315-01

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