How severe is CVE-2008-1438?

CVE-2008-1438 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2008-1438 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-1438?

CVE-2008-1438 primarily affects Microsoft Antigen For Exchange. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-1438?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2008-1438 published?

CVE-2008-1438 was published on 2008-05-13 and last updated on 2026-06-16.

CVE-2008-1438

CVE-2008-1438 is a medium-severity vulnerability in Microsoft Antigen For Exchange with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 13% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-399.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 13% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Microsoft Antigen For Exchange
Published: 2008-05-13
Last modified: 2026-06-16

Description

Unspecified vulnerability in Microsoft Malware Protection Engine (mpengine.dll) 1.1.3520.0 and 0.1.13.192, as used in multiple Microsoft products, allows context-dependent attackers to cause a denial of service (disk space exhaustion) via a file with "crafted data structures" that trigger the creation of large temporary files, a different vulnerability than CVE-2008-1437.

Frequently asked questions

What is CVE-2008-1438?: Unspecified vulnerability in Microsoft Malware Protection Engine (mpengine.dll) 1.1.3520.0 and 0.1.13.192, as used in multiple Microsoft products, allows context-dependent attackers to cause a denial of service (disk space exhaustion) via a file with "crafted data structures" that trigger the creation of large temporary files, a different vulnerability than CVE-2008-1437.
How severe is CVE-2008-1438?: CVE-2008-1438 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2008-1438 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-1438?: CVE-2008-1438 primarily affects Microsoft Antigen For Exchange. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-1438?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2008-1438 published?: CVE-2008-1438 was published on 2008-05-13 and last updated on 2026-06-16.

References

Affected products (10)

cpe:2.3:a:microsoft:antigen_for_exchange:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:antigen_for_smtp_gateway:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:diagnostics_and_recovery_toolkit:6.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:forefront_client_security:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:forefront_security_for_exchange_server:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:forefront_security_for_sharepoint:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:malware_protection_engine:0.1.13.192:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:malware_protection_engine:1.1.3520.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:windows_defender:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:windows_live_onecare:*:*:*:*:*:*:*:*

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CVE-2008-1437 — Medium (CVSS 5.0): Unspecified vulnerability in Microsoft Malware Protection Engine (mpengine.dll) 1.1.3520.0 and 0.1.13.192, as used in…

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