How severe is CVE-2026-32177?

CVE-2026-32177 has a CVSS 3.x base score of 7.3, 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 low.

Is CVE-2026-32177 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-32177?

CVE-2026-32177 primarily affects Microsoft Visual Studio 2022. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-32177?

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.

Does CVE-2026-32177 have an EU (EUVD) identifier?

Yes. CVE-2026-32177 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29572.

When was CVE-2026-32177 published?

CVE-2026-32177 was published on 2026-05-12 and last updated on 2026-06-30.

CVE-2026-32177

CVE-2026-32177 is a high-severity vulnerability in Microsoft Visual Studio 2022 with a CVSS 3.x base score of 7.3. 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 7.3)
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-29572
Weakness: CWE-20
Affected product: Microsoft Visual Studio 2022
Published: 2026-05-12
Last modified: 2026-06-30

Description

Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate privileges locally.

Frequently asked questions

What is CVE-2026-32177?: Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate privileges locally.
How severe is CVE-2026-32177?: CVE-2026-32177 has a CVSS 3.x base score of 7.3, 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 low.
Is CVE-2026-32177 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-32177?: CVE-2026-32177 primarily affects Microsoft Visual Studio 2022. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-32177?: 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.
Does CVE-2026-32177 have an EU (EUVD) identifier?: Yes. CVE-2026-32177 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29572.
When was CVE-2026-32177 published?: CVE-2026-32177 was published on 2026-05-12 and last updated on 2026-06-30.

References

Affected products (10)

cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:-:*:*
cpe:2.3:a:microsoft:visual_studio_2026:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.8.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*

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