CVE-2012-1891

9.8 CRITICAL
Published: July 10, 2012 Modified: April 29, 2026
View on NVD

Description

Heap-based buffer overflow in Microsoft Data Access Components (MDAC) 2.8 SP1 and SP2 and Windows Data Access Components (WDAC) 6.0 allows remote attackers to execute arbitrary code via crafted XML data that triggers access to an uninitialized object in memory, aka "ADO Cachesize Heap Overflow RCE Vulnerability."

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.us-cert.gov/cas/techalerts/TA12-192A.html
Source: secure@microsoft.com
US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-045
Source: secure@microsoft.com
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14783
Source: secure@microsoft.com
http://www.us-cert.gov/cas/techalerts/TA12-192A.html
Source: af854a3a-2127-422b-91ae-364da2661108
US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-045
Source: af854a3a-2127-422b-91ae-364da2661108
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14783
Source: af854a3a-2127-422b-91ae-364da2661108

6 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
59.0%
98th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-119 CWE-908

Affected Vendors

microsoft

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