How severe is CVE-2018-8172?

CVE-2018-8172 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-2018-8172 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 31% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-8172?

CVE-2018-8172 primarily affects Microsoft Expression Blend. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-8172?

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-2018-8172 published?

CVE-2018-8172 was published on 2018-07-11 and last updated on 2026-06-17.

CVE-2018-8172

CVE-2018-8172 is a high-severity vulnerability in Microsoft Expression Blend with a CVSS 3.x base score of 7.8. Its EPSS exploit-prediction score of 31% places it in the 98th 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: 31% (98th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Expression Blend
Published: 2018-07-11
Last modified: 2026-06-17

Description

A remote code execution vulnerability exists in Visual Studio software when the software does not check the source markup of a file for an unbuilt project, aka "Visual Studio Remote Code Execution Vulnerability." This affects Microsoft Visual Studio, Expression Blend 4.

Frequently asked questions

What is CVE-2018-8172?: A remote code execution vulnerability exists in Visual Studio software when the software does not check the source markup of a file for an unbuilt project, aka "Visual Studio Remote Code Execution Vulnerability." This affects Microsoft Visual Studio, Expression Blend 4.
How severe is CVE-2018-8172?: CVE-2018-8172 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-2018-8172 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 31% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-8172?: CVE-2018-8172 primarily affects Microsoft Expression Blend. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-8172?: 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-2018-8172 published?: CVE-2018-8172 was published on 2018-07-11 and last updated on 2026-06-17.

References

Affected products (9)

cpe:2.3:a:microsoft:expression_blend:2:sp2:*:*:*:*:*:*
cpe:2.3:a:microsoft:expression_blend:3:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:expression_blend:4:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio:2010:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio:2012:update_5:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio:2013:update_5:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio:2015:update3:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2017:-:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2017:15.7.5:*:*:*:*:*:*:*