CVE-2006-0027

Unspecified vulnerability in Microsoft Exchange allows remote attackers to execute arbitrary code via e-mail messages with crafted (1) vCal or (2) iCal Calendar properties.

Published: 2006-05-10 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2006-0027 is rated High Risk (69.8/100): CVSS High severity, with high exploitation likelihood (EPSS 78.68%, 100th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +11.21% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2006-0027

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 67.47% 78.68% +11.21%
2 2026-06-07 72.19% 67.47% -4.72%
3 2026-02-04 — 72.19% —

Full EPSS history (14 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-0027

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2006-0027

Affected software / configurations for CVE-2006-0027

Vendor Product Version Raw CPE
microsoft exchange_server 2000 cpe:2.3:a:microsoft:exchange_server:2000:sp3:*:*:*:*:*:*
microsoft exchange_server 2003 cpe:2.3:a:microsoft:exchange_server:2003:sp1:*:*:*:*:*:*
microsoft exchange_server 2003 cpe:2.3:a:microsoft:exchange_server:2003:sp2:*:*:*:*:*:*

References for CVE-2006-0027

URL Tags
http://secunia.com/advisories/20029 Third Party Advisory
http://securitytracker.com/id?1016048 Third Party Advisory VDB Entry
http://www.kb.cert.org/vuls/id/303452 Patch Third Party Advisory US Government Resource
http://www.osvdb.org/25338 Broken Link
http://www.securityfocus.com/bid/17908 Third Party Advisory VDB Entry
http://www.us-cert.gov/cas/techalerts/TA06-129A.html Patch Third Party Advisory US Government Resource
http://www.vupen.com/english/advisories/2006/1743 Permissions Required
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-019 Patch Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/25556 Third Party Advisory VDB Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1818 Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1996 Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2035 Third Party Advisory
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