Vulnerability · Published Sep 8, 2026 · Assigned by microsoft
CVE-2026-80074Remote Desktop Client Remote Code Execution Vulnerability
High 8.8
In plain English
A high-severity heap buffer overflow in Remote Desktop client for Windows Desktop from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 57% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.8%top 42.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Remote Desktop client for Windows Desktop | 1.2.0.0 – before 1.2.7279.0 |
Weakness: CWE-122 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
References
- Remote Desktop Client Remote Code Execution Vulnerability vendor-advisory, patch