CVE-2026-109390
AnyDesk before 8.0.3 allows unauthenticated remote attackers to execute arbitrary code via a…
- Risk score
- 79/100
- CVSS
- 9.8 v3.1
- Exploit chance (30 days)
- 1.6%
- Published
- 12 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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 va…
- Affected
- See advisory
- Fix
- Upgrade the product to 8.0.3 or later.
- Exploitation
- No known exploitation
Why it is Amber
- CVSS 9.8 critical
- Remotely exploitable without logging in
References
Original 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.
Last activity 12 Oct 2026. Patch Forecast updates every hour.