CVE-2026-83688
8.8HighPublished 13 Oct 2026 · NVD status: Awaiting Analysis · AI triage by gemini-3.8-flash
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
- Impact
- Full C/I/A compromise
- Weakness
- CWE-122, CWE-190
Impact
Remote attackers can execute arbitrary code on the client machine if a user connects to a malicious RDP server. The attacker needs to lure a user into initiating an RDP session to an attacker-controlled endpoint.
Root cause
An integer overflow triggers a heap-based buffer overflow while processing network traffic in the Remote Desktop Client.
Affected systems
Versions not listed — check the vendor advisory.
CVSS v3.1 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Fix & remediation
Install the relevant Microsoft security update for Remote Desktop Client once available from the MSRC advisory; avoid connecting to untrusted or unauthorized RDP servers until patched.
AI-suggested. Run it in staging first and check it against the vendor advisory. Why?
NVD description
Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.