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CVE-2026-62783

nvd nist
Published: Aug 11, 2026Modified: Aug 13, 2026

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7.8
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability: 1.8 / Impact: 5.9
Source: secure@microsoft.com (Secondary)

Description

Heap-based buffer overflow in Windows Remote Access Connection Manager allows an authorized attacker to elevate privileges locally.

Affected (19)

Microsoft
10 products
Windows 10 1809
Windows 10 21h2
Windows 10 22h2
Windows 11 23h2
Windows 11 24h2
Windows 11 25h2
Windows 11 26h1
Windows Server 2019
Windows Server 2022
Windows Server 2025
Configuration A
19 vulnerable
Vulnerable SoftwareAffected Versions
Microsoft
Windows 10 1809
Before 10.0.17763.9115
Windows 10 1809
Before 10.0.17763.9115
Microsoft
Windows 10 21h2
Before 10.0.19044.7663
Windows 10 21h2
Before 10.0.19044.7663
Windows 10 21h2
Before 10.0.19044.7663
Microsoft
Windows 10 22h2
Before 10.0.19045.7663
Windows 10 22h2
Before 10.0.19045.7663
Windows 10 22h2
Before 10.0.19045.7663
Microsoft
Windows 11 23h2
Before 10.0.22631.7517
Windows 11 23h2
Before 10.0.22631.7517
Microsoft
Windows 11 24h2
Before 10.0.26100.9106
Windows 11 24h2
Before 10.0.26100.9106
Microsoft
Windows 11 25h2
Before 10.0.26200.9106
Windows 11 25h2
Before 10.0.26200.9106
Microsoft
Windows 11 26h1
Before 10.0.28000.2704
Windows 11 26h1
Before 10.0.28000.2704
Windows Server 2019
Before 10.0.17763.9115
Windows Server 2022
Before 10.0.20348.5440
Windows Server 2025
Before 10.0.26100.33222

Related CWEs

CWE-122
Heap-based Buffer Overflow
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

References (1)

Source: secure@microsoft.com
PatchVendor Advisory

Timeline

No history available yet.