What’s Vulnerable › Vulnerabilities

CVE-2011-0027

• Severity: critical (CVSS 9.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 54.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2011-01-12 · updated 2026-06-16
• Weakness: CWE-20

Description

Microsoft Data Access Components (MDAC) 2.8 SP1 and SP2, and Windows Data Access Components (WDAC) 6.0, does not properly validate memory allocation for internal data structures, which allows remote attackers to execute arbitrary code, possibly via a large CacheSize property that triggers an integer wrap and a buffer overflow, aka "ADO Record Memory Vulnerability." NOTE: this might be a duplicate of CVE-2010-1117 or CVE-2010-1118.

Affected products

• Microsoft Data Access Components: 2.8-sp1, 2.8-sp2
• Microsoft Windows Data Access Components: 6.0

References

• http://osvdb.org/70444
• http://secunia.com/advisories/42804
• http://support.avaya.com/css/P8/documents/100124846
• http://vreugdenhilresearch.nl/ms11-002-pwn2own-heap-overflow/
• http://www.securityfocus.com/bid/45698
• http://www.securitytracker.com/id?1024947
• http://www.us-cert.gov/cas/techalerts/TA11-011A.html
• http://www.vupen.com/english/advisories/2011/0075
• http://www.zerodayinitiative.com/advisories/ZDI-11-002/
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-002
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12411
• http://osvdb.org/70444

Get alerted when CVE-2011-0027 or the next vulnerability affects your stack