How severe is CVE-2014-2779?

CVE-2014-2779 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2014-2779 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-2014-2779?

CVE-2014-2779 affects Microsoft Malware Protection Engine. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2014-2779?

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

When was CVE-2014-2779 published?

CVE-2014-2779 was published on 2014-06-18 and last updated on 2026-06-17.

CVE-2014-2779

CVE-2014-2779 is a medium-severity vulnerability in Microsoft Malware Protection Engine with a CVSS 2.0 base score of 4.3. 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-20.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 13% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Microsoft Malware Protection Engine
Published: 2014-06-18
Last modified: 2026-06-17

Description

mpengine.dll in Microsoft Malware Protection Engine before 1.1.10701.0 allows remote attackers to cause a denial of service (system hang) via a crafted file.

Frequently asked questions

What is CVE-2014-2779?: mpengine.dll in Microsoft Malware Protection Engine before 1.1.10701.0 allows remote attackers to cause a denial of service (system hang) via a crafted file.
How severe is CVE-2014-2779?: CVE-2014-2779 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2014-2779 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-2014-2779?: CVE-2014-2779 affects Microsoft Malware Protection Engine. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2014-2779?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-2779 published?: CVE-2014-2779 was published on 2014-06-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:microsoft:malware_protection_engine:*:*:*:*:*:*:*:*

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