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Vulnerability record · CVE-2008-3068 · published 7 July 2008

CVE-2008-3068: Microsoft access vulnerability

Microsoft · Access

Microsoft Crypto API 5.131.2600.2180 through 6.0, as used in Outlook, Windows Live Mail, and Office 2007, performs Certificate Revocation List (CRL) checks by using an arbitrary URL from a certificate embedded in a (1) S/MIME e-mail message or (2) signed document, which allows remote attackers to obtain reading times and IP addresses of recipients, and port-scan results, via a crafted certificate with an Authority Information Access (AIA) extension.

7.5 CVSS 2.0 High EPSS 17% · top 3.0%
7.5CVSS 2.0 base score
17%EPSS exploitation probability, 30 days
NoNot in CISA KEV
17Affected product versions listed by NVD
28References
16 Jun 2026Last modified by NVD

Description

Microsoft Crypto API 5.131.2600.2180 through 6.0, as used in Outlook, Windows Live Mail, and Office 2007, performs Certificate Revocation List (CRL) checks by using an arbitrary URL from a certificate embedded in a (1) S/MIME e-mail message or (2) signed document, which allows remote attackers to obtain reading times and IP addresses of recipients, and port-scan results, via a crafted certificate with an Authority Information Access (AIA) extension.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

17 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://securityreason.com/securityalert/3978
http://www.securityfocus.com/archive/1/493947/100/0/threaded
http://www.securityfocus.com/archive/1/494101/100/0/threaded
http://www.securityfocus.com/bid/28548
http://www.securitytracker.com/id?1019736
http://www.securitytracker.com/id?1019737
http://www.securitytracker.com/id?1019738
https://www.cynops.de/advisories/AKLINK-SA-2008-002.txt
https://www.cynops.de/advisories/AKLINK-SA-2008-003.txt
https://www.cynops.de/advisories/AKLINK-SA-2008-004.txt
https://www.cynops.de/techzone/http_over_x509.html
https://www.klink.name/security/aklink-sa-2008-002-outlook-smime.txt
https://www.klink.name/security/aklink-sa-2008-003-live-mail-smime.txt
https://www.klink.name/security/aklink-sa-2008-004-office2007-signatures.txt
http://securityreason.com/securityalert/3978
http://www.securityfocus.com/archive/1/493947/100/0/threaded
http://www.securityfocus.com/archive/1/494101/100/0/threaded
http://www.securityfocus.com/bid/28548
http://www.securitytracker.com/id?1019736
http://www.securitytracker.com/id?1019737
http://www.securitytracker.com/id?1019738
https://www.cynops.de/advisories/AKLINK-SA-2008-002.txt
https://www.cynops.de/advisories/AKLINK-SA-2008-003.txt
https://www.cynops.de/advisories/AKLINK-SA-2008-004.txt
https://www.cynops.de/techzone/http_over_x509.html
https://www.klink.name/security/aklink-sa-2008-002-outlook-smime.txt
https://www.klink.name/security/aklink-sa-2008-003-live-mail-smime.txt
https://www.klink.name/security/aklink-sa-2008-004-office2007-signatures.txt

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2008-3068), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.