CVE-2026-109390

Published Oct 12, 2026 CVSS 3.1 · 9.8 Critical EPSS 1.6% KEV · Not listed
Description
AnyDesk before 8.0.3 allows unauthenticated remote attackers to execute arbitrary code via a heap-based buffer overflow, as demonstrated on Linux for command execution as root without the victim approving desktop control. In the stream packet handler for mode 5 in the session protocol, a payload length value is not validated.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Unauthenticated Remote Code Execution via Heap-based Buffer Overflow in AnyDesk on Linux
Type Values Removed Values Added
Title Unauthenticated Remote Code Execution via Heap-based Buffer Overflow in AnyDesk on Linux
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description AnyDesk before 8.0.3 allows unauthenticated remote attackers to execute arbitrary code via a heap-based buffer overflow, as demonstrated on Linux for command execution as root without the victim approving desktop control. In the stream packet handler for mode 5 in the session protocol, a payload length value is not validated.
First Time appeared Anydesk
Anydesk anydesk
Weaknesses CWE-130
CPEs cpe:2.3:a:anydesk:anydesk:*:*:*:*:*:*:*:*
Vendors & Products Anydesk
Anydesk anydesk
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Oct 13, 2026, 3:55 AM
Reserved
Oct 12, 2026, 2:40 PM
Status
Awaiting Analysis
Published
Oct 12, 2026, 3:17 PM
Modified
Oct 16, 2026, 5:25 PM