CVE-2009-0099

Name: CVE-2009-0099
Creator: NVD / NIST
Published: 2009-02-10T22:30:00.377+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 26.24%

Last modified Jun 16, 2026

CVE-2009-0099 is a vulnerability of currently unknown severity. The Electronic Messaging System Microsoft Data Base (EMSMDB32) provider in Microsoft Exchange 2000 Server SP3 and Exchange Server 2003 SP2, as used in Exchange System Attendant, allows remote attackers to cause a denial of service (application outage) via a malformed MAPI command, aka "Literal Processing Vulnerability.". EPSS estimates a 26.24% chance of exploitation in the next 30 days.

Description

The Electronic Messaging System Microsoft Data Base (EMSMDB32) provider in Microsoft Exchange 2000 Server SP3 and Exchange Server 2003 SP2, as used in Exchange System Attendant, allows remote attackers to cause a denial of service (application outage) via a malformed MAPI command, aka "Literal Processing Vulnerability."

Metrics

EPSS Probability

26.24%

97.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions	Update
Microsoft	Exchange Server	2000	Sp3
Microsoft	Exchange Server	2003	Sp2
Microsoft	Exchange Server	2007	Sp1

References

Timeline

Published: Feb 10, 2009
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2009-0099?

How severe is CVE-2009-0099?

Severity scoring for CVE-2009-0099 is pending analysis. The EPSS model estimates a 26.24% probability of exploitation in the next 30 days.

How do I fix CVE-2009-0099?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2009-0099?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST