Heap-based buffer overflow in the MaskedEdit ActiveX control in Msmask32.ocx 6.0.81.69, and possibly other versions before 6.0.84.18, in Mic
Heap-based buffer overflow in the MaskedEdit ActiveX control in Msmask32.ocx 6.0.81.69, and possibly other versions before 6.0.84.18, in Microsoft Visual Studio 6.0, Visual Basic 6.0, Visual Studio .NET 2002 SP1 and 2003 SP1, and Visual FoxPro 8.0 SP1 and 9.0 SP1 and SP2 allows remote attackers to execute arbitrary code via a long Mask parameter, related to not "validating property values with boundary checks," as exploited in the wild in August 2008, aka "Masked Edit Control Memory Corruption Vulnerability."
- Published
- Aug 18, 2008
- Updated
- Jun 16, 2026
- EPSS
- 55.9% · 99th percentile
- CWE
- CWE-119
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Report tools
Action score
54
Plan
Add it to your regular patch cycle.
- CVSS
- 37 / 40 · 9.3 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 17 / 30 · 55.9%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| microsoft | visual basic | cpe:2.3:a:microsoft:visual_basic |
| microsoft | visual foxpro | cpe:2.3:a:microsoft:visual_foxpro |
| microsoft | visual studio | cpe:2.3:a:microsoft:visual_studio |
| microsoft | visual studio .net | cpe:2.3:a:microsoft:visual_studio_.net |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- microsoft visual basic6.0
- microsoft visual foxpro8.0
- microsoft visual foxpro9.0
- microsoft visual studio6.0
- microsoft visual studio .net2002
- microsoft visual studio .net2003
Same product
microsoft: all recordsOther highest-scoring records for the same primary product.
- CVE-2007-4776Buffer overflow in Microsoft Visual Basic 6.0 and Enterprise Edition 6.0 SP6 allows user-assisted remote attackers to execute arbitrary code52Plan
- CVE-2007-2884Multiple stack-based buffer overflows in Microsoft Visual Basic 6 allow user-assisted remote attackers to cause a denial of service (CPU con48Plan
- CVE-2008-0392Multiple buffer overflows in Microsoft Visual Basic Enterprise Edition 6.0 SP6 allow user-assisted remote attackers to execute arbitrary cod46Plan
- CVE-2006-4732Unspecified vulnerability in Microsoft Visual Basic (VB) 6 has an unknown impact ("overflow") via a project that contains a certain Click ev42Plan
- CVE-2001-0153Buffer overflow in VB-TSQL debugger object (vbsdicli.exe) in Visual Studio 6.0 Enterprise Edition allows remote attackers to execute arbitra34Monitor
- CVE-2006-3649Buffer overflow in Microsoft Visual Basic for Applications (VBA) SDK 6.0 through 6.4, as used by Microsoft Office 2000 SP3, Office XP SP3, P23Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
Weaponized
A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.
Evidence
- Metasploit module ×1
- Exploit-DB entry ×3
Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.
| Source | Kind | Date |
|---|---|---|
| Exploit-DB entry | dos | 2008-08-14 |
| Exploit-DB entry | remote | 2008-08-26 |
| Exploit-DB entry | remote | 2010-11-24 |
| Metasploit module | exploit/windows/browser/ms08_070_visual_studio_msmaskMicrosoft Visual Studio Mdmask32.ocx ActiveX Stack Buffer Overflowexploit | 2008-08-13 |
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
- Metasploit-6 d
- First PoC-5 d
- Published
- TodaySep 30, 2026+6617 d
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
If successful
- Confidentiality
- C · data can be read
- Integrity
- C · data or configuration can be modified
- Availability
- C · the service can be disrupted
- Attack complexity
- M
- Confidentiality impact
- C
- Integrity impact
- C
- Availability impact
- C
Weakness class (CWE)
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory BufferCVSS vector
AV:N/AC:M/Au:N/C:C/I:C/A:C
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
- Buffer Overflow via Environment VariablesCAPEC-10likelihood: High · High
- Overflow BuffersCAPEC-100likelihood: High · Very High
- Buffer ManipulationCAPEC-123likelihood: High · Very High
- Client-side Injection-induced Buffer OverflowCAPEC-14likelihood: Medium · High
- Filter Failure through Buffer OverflowCAPEC-24likelihood: High · High
- MIME ConversionCAPEC-42likelihood: High · High
- Overflow Binary Resource FileCAPEC-44likelihood: High · Very High
- Buffer Overflow via Symbolic LinksCAPEC-45likelihood: High · High
ATT&CK techniques
—
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- secunia.com/advisories/31498
- support.avaya.com/elmodocs2/security/ASA-2008-473.htm
- www.securitytracker.com/id?1020710
- www.us-cert.gov/cas/techalerts/TA08-344A.html
- www.vupen.com/english/advisories/2008/2380
- www.vupen.com/english/advisories/2008/3382
- docs.microsoft.com/en-us/security-updates/securitybulletins/2008/ms08-070
- exchange.xforce.ibmcloud.com/vulnerabilities/44444
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5794
- www.exploit-db.com/exploits/6244
- www.exploit-db.com/exploits/6317
Vendor advisories and official records. Exploit/PoC links are deliberately left out.