How severe is CVE-2019-3633?

CVE-2019-3633 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-3633 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-3633?

CVE-2019-3633 affects Mcafee Data Loss Prevention Endpoint. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-3633?

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

When was CVE-2019-3633 published?

CVE-2019-3633 was published on 2019-08-21 and last updated on 2026-06-17.

CVE-2019-3633

CVE-2019-3633 is a medium-severity vulnerability in Mcafee Data Loss Prevention Endpoint with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.9
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Mcafee Data Loss Prevention Endpoint
Published: 2019-08-21
Last modified: 2026-06-17

Description

Buffer overflow in McAfee Data Loss Prevention (DLPe) for Windows 11.x prior to 11.3.2.8 allows local user to cause the Windows operating system to "blue screen" via a carefully constructed message sent to DLPe which bypasses DLPe internal checks and results in DLPe reading unallocated memory.

Frequently asked questions

What is CVE-2019-3633?: Buffer overflow in McAfee Data Loss Prevention (DLPe) for Windows 11.x prior to 11.3.2.8 allows local user to cause the Windows operating system to "blue screen" via a carefully constructed message sent to DLPe which bypasses DLPe internal checks and results in DLPe reading unallocated memory.
How severe is CVE-2019-3633?: CVE-2019-3633 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-3633 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-3633?: CVE-2019-3633 affects Mcafee Data Loss Prevention Endpoint. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-3633?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-3633 published?: CVE-2019-3633 was published on 2019-08-21 and last updated on 2026-06-17.

References

https://kc.mcafee.com/corporate/index?page=content&id=SB10295

Affected products (1)

cpe:2.3:a:mcafee:data_loss_prevention_endpoint:*:*:*:*:*:*:*:*

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