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."
Published Jul 10, 2012
9.8
CRITICALCVSS 3.1
EPSS 29.41%
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."
Affected products
No data.
Configuration 1
- 2.8
Running on/with
- n/a
Configuration 2
- 2.8
Running on/with
- n/a
- n/a
Configuration 3
- 6.0
Running on/with
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- r2
- r2
- n/a
- n/a
- n/a
-
- Version 2.8StatusaffectedConstraints-
- Version
-
- Version 6.0StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Data Access Components | n/a |
| ||||||
| Microsoft | Windows Data Access Components | n/a |
|
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
YesTechnical Impact
TotalDecision
n/aAssessed Oct 17, 2024 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (22 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 29.41% (0.29406) | 98.13th | v5 (v2026.06.15) |
| Jun 15, 2026 | 29.41% (0.29406) | 97.93th | v5 (v2026.06.15) |
| Dec 28, 2025 | 58.98% (0.58978) | 98.13th | v4 (v2025.03.14) |
| Dec 27, 2025 | 64.05% (0.64051) | 98.37th | v4 (v2025.03.14) |
| Oct 28, 2025 | 58.98% (0.58978) | 98.11th | v4 (v2025.03.14) |
| Oct 27, 2025 | 64.05% (0.64051) | 98.35th | v4 (v2025.03.14) |
| Oct 18, 2025 | 58.98% (0.58978) | 98.10th | v4 (v2025.03.14) |
| Oct 1, 2025 | 54.22% (0.54216) | 97.95th | v4 (v2025.03.14) |
| Mar 30, 2025 | 59.64% (0.59636) | 98.08th | v4 (v2025.03.14) |
| Mar 29, 2025 | 64.91% (0.64913) | 97.87th | v4 (v2025.03.14) |
| Mar 17, 2025 | 59.64% (0.59636) | 98.05th | v4 (v2025.03.14) |
| Dec 17, 2024 | 95.05% (0.95054) | 99.49th | v3 (v2023.03.01) |
| Nov 16, 2024 | 96.09% (0.96090) | 99.56th | v3 (v2023.03.01) |
| Jun 5, 2024 | 94.97% (0.94965) | 99.29th | v3 (v2023.03.01) |
| Apr 8, 2024 | 95.42% (0.95417) | 99.33th | v3 (v2023.03.01) |
| Feb 8, 2024 | 95.84% (0.95844) | 99.37th | v3 (v2023.03.01) |
| Dec 6, 2023 | 95.59% (0.95595) | 99.23th | v3 (v2023.03.01) |
| Aug 4, 2023 | 95.71% (0.95706) | 99.15th | v3 (v2023.03.01) |
| May 31, 2023 | 95.71% (0.95713) | 99.09th | v3 (v2023.03.01) |
| Mar 7, 2023 | 95.56% (0.95558) | 98.95th | v3 (v2023.03.01) |
| Mar 6, 2023 | 49.72% (0.49719) | 98.71th | v2 (v2022.01.01) |
| Feb 4, 2022 | 49.72% (0.49719) | 98.28th | v2 (v2022.01.01) |
References (3)
- http://www.us-cert.gov/cas/techalerts/TA12-192A.html third-party-advisoryx_refsource_CERTUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-045 vendor-advisoryx_refsource_MS
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14783 vdb-entrysignaturex_refsource_OVAL
| Link | Providers | Tags |
|---|---|---|
| http://www.us-cert.gov/cas/techalerts/TA12-192A.html | third-party-advisoryx_refsource_CERTUS Government Resource | |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-045 | vendor-advisoryx_refsource_MS | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14783 | vdb-entrysignaturex_refsource_OVAL |
Change history (0)
No recorded changes yet.