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CVE-2014-2779· NVD / CVE Program· CNA microsoft

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

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.

MediumCVSS 4.3 · v2.0—No exploit No fix recorded
Published
Jun 18, 2014
Updated
Jun 16, 2026
EPSS
13.4% · 96th percentile
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Report tools

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Action score

21

Monitor

Low priority for now.

CVSS
17 / 40 · 4.3 / 10
CISA KEV
0 / 30 · Not listed
EPSS
4 / 30 · 13.4%

Noroxi analysis

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Affected systems

VendorProduct
microsoftmalware protection engine

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • microsoft malware protection engineup to 1.1.10600.0 inclusive

Other highest-scoring records for the same primary product.

  • CVE-2017-8540The Microsoft Malware Protection Engine running on Microsoft Forefront and Microsoft Defender on Microsoft Windows Server 2008 SP2 and R2 SPKEV
    83Now
  • CVE-2026-41091Microsoft Defender Elevation of Privilege VulnerabilityKEV
    61This week
  • CVE-2013-1346mpengine.dll in Microsoft Malware Protection Engine before 1.1.9506.0 on x64 platforms allows remote attackers to execute arbitrary code or
    40Plan
  • CVE-2017-11937The Microsoft Malware Protection Engine running on Microsoft Forefront and Microsoft Defender on Windows 7 SP1, Windows 8.1, Windows RT 8.1,
    39Monitor
  • CVE-2017-11940The Microsoft Malware Protection Engine running on Microsoft Forefront and Microsoft Defender on Windows 7 SP1, Windows 8.1, Windows RT 8.1,
    37Monitor
  • CVE-2021-42298Microsoft Defender Remote Code Execution Vulnerability
    33Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

All records