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CVE-2024-20656: Visual Studio Elevation of Privilege Vulnerability

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-01-09 · updated 2026-06-17
• Weakness: CWE-59

Description

Visual Studio Elevation of Privilege Vulnerability

Affected products

• Microsoft Visual Studio: 2015-update3
• Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8): from 15.0 before 15.9.59 — fixed in 15.9.59
• Microsoft Visual Studio 2019: from 16.0 before 16.11.33 — fixed in 16.11.33
• Microsoft Visual Studio 2022 version 17.14: from 17.2 before 17.2.23; from 17.4 before 17.4.15; from 17.6 before 17.6.11 — fixed in 17.2.23, 17.4.15, 17.6.11
• Microsoft Visual Studio 2015 Update 3: from 14.0.0 before 14.0.27560.00 — fixed in 14.0.27560.00
• Microsoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10): from 16.11.0 before 16.11.33 — fixed in 16.11.33
• Microsoft Visual Studio 2022 version 17.2: from 17.2.0 before 17.2.23 — fixed in 17.2.23
• Microsoft Visual Studio 2022 version 17.4: from 17.4.0 before 17.4.15 — fixed in 17.4.15
• Microsoft Visual Studio 2022 version 17.6: from 17.6.0 before 17.6.11 — fixed in 17.6.11
• Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8): from 15.9.0 before 15.9.59 — fixed in 15.9.59

How to fix

Upgrade to a fixed version: Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8) 15.9.59; Microsoft Visual Studio 2019 16.11.33; Microsoft Visual Studio 2022 version 17.14 17.2.23, 17.4.15, 17.6.11; Microsoft Visual Studio 2015 Update 3 14.0.27560.00; Microsoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10) 16.11.33; Microsoft Visual Studio 2022 version 17.2 17.2.23; Microsoft Visual Studio 2022 version 17.4 17.4.15; Microsoft Visual Studio 2022 version 17.6 17.6.11; Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8) 15.9.59. Check the vendor advisory for mitigations.

References

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

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