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.
CVE-2006-0027
NONECVSS 0.0Weaponized
0.0
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
- High exploitation likelihood — EPSS 79%
CISA-KEV: Not listedEPSS: 79%CVSS: —Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 99.5%
- KEV
- Not listed
Published
May 10, 2006
Last Modified
April 16, 2026
References (24)
- secure@microsofthttp://secunia.com/advisories/20029
- secure@microsofthttp://securitytracker.com/id?1016048
- secure@microsofthttp://www.kb.cert.org/vuls/id/303452
- secure@microsofthttp://www.osvdb.org/25338
- secure@microsofthttp://www.securityfocus.com/bid/17908
- secure@microsofthttp://www.us-cert.gov/cas/techalerts/TA06-129A.html
- secure@microsofthttp://www.vupen.com/english/advisories/2006/1743
- secure@microsofthttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-019
- secure@microsofthttps://exchange.xforce.ibmcloud.com/vulnerabilities/25556
- secure@microsofthttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1818
- secure@microsofthttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1996
- secure@microsofthttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2035
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/20029
- af854a3a-2127-422b-91ae-364da2661108http://securitytracker.com/id?1016048
- af854a3a-2127-422b-91ae-364da2661108http://www.kb.cert.org/vuls/id/303452
Frequently asked(4)
What is CVE-2006-0027?
CVE-2006-0027 is a none vulnerability published on May 10, 2006. 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.
When was CVE-2006-0027 disclosed?
CVE-2006-0027 was first published in the National Vulnerability Database on May 10, 2006, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2006-0027 actively exploited?
CVE-2006-0027 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2006-0027?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2006-0027, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
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