What is CVE-2026-65810?

CVE-2026-65810 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. .NET Framework Elevation of Privilege Vulnerability

Which CVE IDs does CVE-2026-65810 cover?

CVE-2026-65810 covers the following CVE IDs: CVE-2026-65810. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-65810?

CVE-2026-65810 has a CVSS v3 base score of 7.8, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-65810?

CVE-2026-65810 affects 58 products, including: Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for 32-bit Systems; Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for x64-based Systems; Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016; Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016 (Server Core installation); Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for 32-bit Systems; and others — see the full list on the advisory page.

How do I remediate CVE-2026-65810?

KB5120711 (Security Update) — fixed build 4.8.9344.0 KB5120747 (Security Update) — fixed build 2.0.50727.9183 \u0026 3.0.30729.9169 KB5120702 (Security Update) — fixed build 4.8.4805.0 KB5120704 (Security Update) — fixed build 4.8.4805.0 KB5120706 (Security Update) — fixed build 4.…

CVE-2026-65810: .NET Framework Elevation of…

🔗 CVE IDs covered (1)

CVE-2026-65810 →

📋 Description

Relative path traversal in .NET Framework allows an unauthorized attacker to elevate privileges locally.

🎯 Affected products58

Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for 32-bit Systems
Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for x64-based Systems
Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016
Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016 (Server Core installation)
Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for 32-bit Systems
Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for ARM64-based Systems
Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based Systems
Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019
Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 (Server Core installation)
Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for 32-bit Systems
Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for ARM64-based Systems
Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for x64-based Systems
Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 21H2 for 32-bit Systems
Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 21H2 for ARM64-based Systems
Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 21H2 for x64-based Systems
Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 22H2 for 32-bit Systems
Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 22H2 for ARM64-based Systems
Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 22H2 for x64-based Systems
Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019
Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 (Server Core installation)
Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022
Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022 (Server Core installation)
Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 21H2 for 32-bit Systems
Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 21H2 for ARM64-based Systems
Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 21H2 for x64-based Systems
Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 22H2 for 32-bit Systems
Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 22H2 for ARM64-based Systems
Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 22H2 for x64-based Systems
Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 23H2 for ARM64-based Systems
Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 23H2 for x64-based Systems
+28 more not shown

✅ Remediation

KB5120711 (Security Update) — fixed build 4.8.9344.0 KB5120747 (Security Update) — fixed build 2.0.50727.9183 & 3.0.30729.9169 KB5120702 (Security Update) — fixed build 4.8.4805.0 KB5120704 (Security Update) — fixed build 4.8.4805.0 KB5120706 (Security Update) — fixed build 4.8.4805.0 KB5120703 (Security Update) — fixed build 2.0.50727.9070 & 3.0.30729.9068 & 4.8.4805.0 KB5120705 (Security Update) — fixed build 2.0.50727.9183 & 3.0.30729.9169 & 4.8.4805.0 KB5120701 (Security Update) — fixed build 2.0.50727.9183 & 3.0.30729.9169 & 4.8.4805.0 KB5120698 (Security Update) — fixed build 2.0.50727.9070 & 3.0.30729.9068 & 4.7.4144.0 KB5120418 (Security Update) — fixed build 2.0.50727.8984 & 3.0.30729.8980 & 4.7.4144.0 KB5120699 (Security Update) — fixed build 4.7.4144.0 KB5120700 (Security Update) — fixed build 4.7.4144.0 KB5120714 (Security Update) — fixed build 2.0.50727.9183 & 3.0.30729.9169 & 4.8.9343.0 KB5120709 (Security Update) — fixed build 2.0.50727.9183 & 3.0.30729.9169 & 4.8.9343.0 KB5120708 (Security Update) — fixed build 2.0.50727.9183 & 3.0.30729.9169 & 4.8.9344.0 KB5120713 (Security Update) — fixed build 2.0.50727.9183 & 3.0.30729.9169 & 4.8.9343.0 KB5120710 (Security Update) — fixed build 2.0.50727.9183 & 3.0.30729.9169 & 4.8.9343.0 KB5120716 (Security Update) — fixed build 2.0.50727.8984 & 3.0.30729.8980 KB5120695 (Security Update) — fixed build 2.0.50727.8984 & 3.0.30729.8980

🔗 CVE IDs covered (1)

📋 Description

🎯 Affected products58

✅ Remediation

🔗 References (39)