CVE-2009-2495

highpriority · track · 43EPSS 0.343 · 98 %ileEUUS

grimoire priorityP1 · Urgent

Exploitable?

—

no known exploitation

Likely / severe?

34.3% (98th) EPSS

CVSS 7.8 · high

Is it mine?

6 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-27

The Active Template Library (ATL) in Microsoft Visual Studio .NET 2003 SP1, Visual Studio 2005 SP1 and 2008 Gold and SP1, and Visual C++ 2005 SP1 and 2008 Gold and SP1 does not properly enforce string termination, which allows remote attackers to obtain sensitive information via a crafted HTML document with an ATL (1) component or (2) control that triggers a buffer over-read, related to ATL headers and buffer allocation, aka "ATL Null String Vulnerability."

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6–7.8

v2.07.8highAV:N/AC:L/Au:N/C:C/I:N/A:Nprimary · NVD / NIST USexploitability 10 · impact 6.9

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:Nsecondary · ENISA EU

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:Nsecondaryexploitability 2.8 · impact 3.6

v3.16mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-200USprimaryCWE-126US

affected products (6)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
microsoft visual c++= 2005nvdUScpe:2.3:a:microsoft:visual_c\+\+:*:*:*:*:*:*:*:*
microsoft visual c++= 2008nvdUScpe:2.3:a:microsoft:visual_c\+\+:*:*:*:*:*:*:*:*
microsoft visual studio= 2005nvdUScpe:2.3:a:microsoft:visual_studio:*:*:*:*:*:*:*:*
microsoft visual studio= 2008nvdUScpe:2.3:a:microsoft:visual_studio:*:*:*:*:*:*:*:*
microsoft visual studio .net= 2003nvdUScpe:2.3:a:microsoft:visual_studio_.net:*:*:*:*:*:*:*:*

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd NVD CVE.org MITRE

published 2009-07-29modified 2026-06-16

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+19392 more

references (32)

External citations — patches, advisories, analysis.

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