Security Latest record Remote Desktop Client Remote Code Execution Vulnerability Recorded 14 Oct 2026 at 11:22 UTC. This is what ChangeIntel recorded, including the title, summary, facts and links. It is not a statement of the source's current position.
See the latest record .
The historical field “Public exploit code” recorded Nuclei detection-template membership. It did not establish exploit availability. The original recorded fields remain below.
The historical “Publicly disclosed: No” field could represent a missing MSRC assessment. It does not establish that the vulnerability was undisclosed. The original recorded fields remain below.
CVE Microsoft Security Response Center
Remote Desktop Client Remote Code Execution Vulnerability Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
CVE CVE-2026-80077
Severity Important
CVSS base score 8.8
CVSS 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
Impact Remote Code Execution
Exploitation detected Not reported by MSRC
Publicly disclosed No
Exploitability Exploitation Unlikely
Component Remote Desktop Client
Weakness CWE-122: Heap-based Buffer Overflow
Issued by Microsoft
Customer action Required: apply the update
Affected products Remote Desktop client for Windows Desktop
Updates that fix it No KB listed
CISA KEV Not listed in the collected catalog
EPSS 0.8%; scored 13 Oct 2026
Public exploit code No Nuclei template listed
Published 8 Sep 2026 07:00 UTC
Last revised 8 Sep 2026 07:00 UTC
Revision note Information published.
Microsoft security releases Complete at observationRead 14 Oct 2026 at 11:21 UTC
CISA KEV Complete at observationRead 14 Oct 2026 at 11:21 UTC
FIRST EPSS Complete at observationRead 14 Oct 2026 at 11:21 UTC
Public detection templates (Nuclei) Complete at observationRead 14 Oct 2026 at 11:21 UTC Coverage describes the sources at this observation. A complete read then does not establish their current position.
Changes are dated when recorded; day views use the last saved version from that UTC day, and citations stay fixed.
Cite this version Field-level log (1)
Up to 100 recent field edits are shown; older edits may be outside retention.
14 Oct 2026 · 11:22:42 UTC
Source coverage: msrc-cvrf Incomplete → Current