Vulnerability details
CVE-2026-109390
AnyDesk AnyDesk
CVSS 3.1
9.8Critical
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.8Critical | 3.1 | CVEProject cvelistV5 (CNA) (mitre) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| AnyDesk | AnyDesk | 8.0.0 ≤ v < 8.0.3 | CVEProject cvelistV5 (CNA) |
References and advisories
2
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Details
- Published
- 2026-10-12
- Last updated
- 2026-10-13
- State
- Published
- Assigner (CNA)
- mitre
- Kolun priority
- 34 · Low
Exploit prediction (EPSS)
1.61%
Probability of exploitation in 30 days
76%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- Proof of concept
- Technical impact
- Total
Weaknesses (CWE)
- CWE-130Improper Handling of Length Parameter Inconsistency