9.8

CVE-2012-1891: microsoft data_access_components

CVSS: 9.8v3.1CriticalModified
Published 10-07-2012Last modified 17-10-2024

Vulnerability summary

CVE-2012-1891 is a critical (CVSS 9.8) vulnerability in microsoft data_access_components. EPSS estimates a 29.41% chance of exploitation in the next 30 days, higher than 98.1% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
29.41%
0%100%
High · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 10-07-2012
    PublishedVulnerability first disclosed.
  2. 17-10-2024
    Last modifiedVulnerability information updated.

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."

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

29.41%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

0.00 pp

From 29.41% on 19-09-2026

19-09-202619-10-2026
EPSS score
29.41%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Microsoft2 products

1 vendor · 2 products

References

3 links