How severe is CVE-2024-20656?

CVE-2024-20656 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-2024-20656 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-20656?

CVE-2024-20656 primarily affects Microsoft Visual Studio. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-20656?

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-2024-20656 have an EU (EUVD) identifier?

Yes. CVE-2024-20656 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-18371.

When was CVE-2024-20656 published?

CVE-2024-20656 was published on 2024-01-09 and last updated on 2026-06-17.

CVE-2024-20656

CVE-2024-20656 is a high-severity vulnerability in Microsoft Visual Studio 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-59.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-18371
Weakness: CWE-59
Affected product: Microsoft Visual Studio
Published: 2024-01-09
Last modified: 2026-06-17

Description

Visual Studio Elevation of Privilege Vulnerability

Frequently asked questions

What is CVE-2024-20656?: Visual Studio Elevation of Privilege Vulnerability
How severe is CVE-2024-20656?: CVE-2024-20656 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-2024-20656 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-20656?: CVE-2024-20656 primarily affects Microsoft Visual Studio. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-20656?: 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-2024-20656 have an EU (EUVD) identifier?: Yes. CVE-2024-20656 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-18371.
When was CVE-2024-20656 published?: CVE-2024-20656 was published on 2024-01-09 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-20656

Affected products (4)

cpe:2.3:a:microsoft:visual_studio:2015:update3:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2017:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*

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