CVE-2026-65641
A vulnerability allowing an unauthenticated network attacker to coerce SMB authentication from...
A vulnerability allowing an unauthenticated network attacker to coerce SMB authentication from the service account.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
A vulnerability allowing an unauthenticated network attacker to coerce SMB authentication from the service account.
- Record
CVE-2026-65641- CVSS 4.0
- 9.3 Critical
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/SA:L - Weakness
- CWE-288
- Updated
- 2026-11-02
EUVDEUVD-2026-66760
A vulnerability allowing an unauthenticated network attacker to coerce SMB authentication from the service account.
- Record
EUVD-2026-66760- CVSS 4.0
- 9.3 Critical
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/SA:L - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-mffw-5w3v-pm66
A vulnerability allowing an unauthenticated network attacker to coerce SMB authentication from...
A vulnerability allowing an unauthenticated network attacker to coerce SMB authentication from the service account.
- Record
GHSA-mffw-5w3v-pm66- CVSS 4.0
- 9.3 Critical
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - Weakness
- CWE-288
- Updated
- 2026-11-02
NVD
A vulnerability allowing an unauthenticated network attacker to coerce SMB authentication from the service account.
- Record
CVE-2026-65641- CVSS 4.0
- 9.3 Critical
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - Weakness
- CWE-288
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-65641 is a critical vulnerability (CVSS 9.3) in Samsung Open Source One, published August 26, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.54%, the 45th percentile. No source names a fixed version.