CVE-2025-55240
highpriority · track · 0EPSS 0.004 · 30 %ileDEEUNLUSEPSS · scored 2026-10-27
Improper access control in Visual Studio allows an authorized attacker to elevate privileges locally.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- FixedMicrosoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8)msrc_csaf
15.9.77:Security Update:https://docs.microsoft.com/en-us/visualstudio/releasenotes/vs2017-relnotes
https://docs.microsoft.com/en-us/visualstudio/releasenotes/vs2017-relnotes - FixedMicrosoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10)msrc_csaf
16.11.52:Security Update:https://docs.microsoft.com/en-us/visualstudio/releases/2019/release-notes-v16.11
https://docs.microsoft.com/en-us/visualstudio/releases/2019/release-notes-v16.11 - FixedMicrosoft Visual Studio 2022 version 17.10msrc_csaf
17.10.20:Security Update:https://learn.microsoft.com/en-us/visualstudio/releases/2022/release-notes
https://learn.microsoft.com/en-us/visualstudio/releases/2022/release-notes - FixedMicrosoft Visual Studio 2022 version 17.12msrc_csaf
17.12.13:Security Update:https://learn.microsoft.com/en-us/visualstudio/releases/2022/release-notes
https://learn.microsoft.com/en-us/visualstudio/releases/2022/release-notes - FixedMicrosoft Visual Studio 2022 version 17.14msrc_csaf
17.14.17:Security Update:https://learn.microsoft.com/en-us/visualstudio/releases/2022/release-notes
https://learn.microsoft.com/en-us/visualstudio/releases/2022/release-notes
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.7–7.3
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (103)
Products and version ranges known to be affected.
- Microsoft .NET Framework 2.0 SP2 on Windows Server 2008 SP2all versionscert_bundDEcpe:/a:microsoft:.net_framework:2.0_sp2_on_windows_server_2008_sp2
- Microsoft .NET Framework 3.0 SP2 on Windows Server 2008 SP2all versionscert_bundDEcpe:/a:microsoft:.net_framework:3.0_sp2_on_windows_server_2008_sp2
- Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1607all versionscert_bundDEcpe:/a:microsoft:.net_framework:3.5_and_4.7.2_on_windows_10_version_1607
- Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809all versionscert_bundDEcpe:/a:microsoft:.net_framework:3.5_and_4.7.2_on_windows_10_version_1809
- Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809all versionscert_bundDEcpe:/a:microsoft:.net_framework:3.5_and_4.8_on_windows_10_version_1809
- Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 21H2all versionscert_bundDEcpe:/a:microsoft:.net_framework:3.5_and_4.8_on_windows_10_version_21h2
- Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 22H2all versionscert_bundDEcpe:/a:microsoft:.net_framework:3.5_and_4.8_on_windows_10_version_22h2
- Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 21H2all versionscert_bundDEcpe:/a:microsoft:.net_framework:3.5_and_4.8.1_on_windows_10_version_21h2
- Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 22H2all versionscert_bundDEcpe:/a:microsoft:.net_framework:3.5_and_4.8.1_on_windows_10_version_22h2
- Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 22H2all versionscert_bundDEcpe:/a:microsoft:.net_framework:3.5_and_4.8.1_on_windows_11_version_22h2
- Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 23H2all versionscert_bundDEcpe:/a:microsoft:.net_framework:3.5_and_4.8.1_on_windows_11_version_23h2
- Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 24H2all versionscert_bundDEcpe:/a:microsoft:.net_framework:3.5_and_4.8.1_on_windows_11_version_24h2
- Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 25H2all versionscert_bundDEcpe:/a:microsoft:.net_framework:3.5_and_4.8.1_on_windows_11_version_25h2
- Microsoft .NET Framework 3.5 on Windows Server 2008 SP2all versionscert_bundDEcpe:/a:microsoft:.net_framework:3.5_on_windows_server_2008_sp2
- Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 SP1all versionscert_bundDEcpe:/a:microsoft:.net_framework:3.5.1_on_windows_server_2008_r2_sp1
- Microsoft .NET Framework 4.6.2 on Windows Server 2008 SP2all versionscert_bundDEcpe:/a:microsoft:.net_framework:4.6.2_on_windows_server_2008_sp2
- Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2008 R2 SP1all versionscert_bundDEcpe:/a:microsoft:.net_framework:4.6.24.74.7.14.7.2_on_windows_server_2008_r2_sp1
- Microsoft .NET Framework 4.8 on Windows 10 Version 1607all versionscert_bundDEcpe:/a:microsoft:.net_framework:4.8_on_windows_10_version_1607
- Microsoft .NET Framework 4.8 on Windows Server 2008 R2 SP1all versionscert_bundDEcpe:/a:microsoft:.net_framework:4.8_on_windows_server_2008_r2_sp1
advisories (3)
Vendor and ecosystem advisories describing this.
- NCSC-2025-0313Kwetsbaarheden verholpen in Microsoft Developer ToolsNL2025-10-14csaf · ncsc_nlNL
Microsoft heeft kwetsbaarheden verholpen in diverse Developer Tools.
- WID-SEC-W-2025-2278Microsoft Developer Tools: Mehrere SchwachstellenDeutsch2025-10-14csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Microsoft Visual Studio, .NET Framework, Windows Server, ASP.NET, PowerShell und Windows ausnutzen, um Sicherheitsvorkehrungen zu umgehen, um seine Privilegien zu erhöhen, und um Informationen offenzulegen.
- msrc_CVE-2025-55240Visual Studio Elevation of Privilege Vulnerability2025-10-14csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (3)
External citations — patches, advisories, analysis.
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