How severe is CVE-2018-8232?

CVE-2018-8232 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-8232 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-8232?

CVE-2018-8232 primarily affects Microsoft Visual Studio 2017. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-8232?

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-2018-8232 published?

CVE-2018-8232 was published on 2018-07-11 and last updated on 2026-06-17.

CVE-2018-8232

CVE-2018-8232 is a high-severity vulnerability in Microsoft Visual Studio 2017 with a CVSS 3.x base score of 7.8. 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-20.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 4.6
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Microsoft Visual Studio 2017
Published: 2018-07-11
Last modified: 2026-06-17

Description

A Tampering vulnerability exists when Microsoft Macro Assembler improperly validates code, aka "Microsoft Macro Assembler Tampering Vulnerability." This affects Microsoft Visual Studio.

Frequently asked questions

What is CVE-2018-8232?: A Tampering vulnerability exists when Microsoft Macro Assembler improperly validates code, aka "Microsoft Macro Assembler Tampering Vulnerability." This affects Microsoft Visual Studio.
How severe is CVE-2018-8232?: CVE-2018-8232 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-8232 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-8232?: CVE-2018-8232 primarily affects Microsoft Visual Studio 2017. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-8232?: 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-2018-8232 published?: CVE-2018-8232 was published on 2018-07-11 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:microsoft:visual_studio_2017:-:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2017:15.7.5:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2017:15.8:*:*:*:*:*:*:*

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