How severe is CVE-2019-0546?

CVE-2019-0546 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-0546 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 16% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-0546?

CVE-2019-0546 affects Microsoft Visual Studio 2017. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-0546?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-0546 published?

CVE-2019-0546 was published on 2019-01-08 and last updated on 2026-06-17.

CVE-2019-0546

CVE-2019-0546 is a high-severity vulnerability in Microsoft Visual Studio 2017 with a CVSS 3.x base score of 7.8. Its EPSS exploit-prediction score of 16% places it in the 97th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 9.3
EPSS exploit prediction: 16% (97th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Visual Studio 2017
Published: 2019-01-08
Last modified: 2026-06-17

Description

A remote code execution vulnerability exists in Visual Studio when the C++ compiler improperly handles specific combinations of C++ constructs, aka "Visual Studio Remote Code Execution Vulnerability." This affects Microsoft Visual Studio.

Frequently asked questions

What is CVE-2019-0546?: A remote code execution vulnerability exists in Visual Studio when the C++ compiler improperly handles specific combinations of C++ constructs, aka "Visual Studio Remote Code Execution Vulnerability." This affects Microsoft Visual Studio.
How severe is CVE-2019-0546?: CVE-2019-0546 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-0546 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 16% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-0546?: CVE-2019-0546 affects Microsoft Visual Studio 2017. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-0546?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-0546 published?: CVE-2019-0546 was published on 2019-01-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:microsoft:visual_studio_2017:15.9:*:*:*:*:*:*:*

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