CVE-2020-1206
An information disclosure vulnerability exists in the way that the Microsoft Server Message Block 3.1.1 (SMBv3) protocol handles certain requests, aka 'Windows SMBv3 Client/Server Information Disclosure Vulnerability'.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 10.5%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
Description
An information disclosure vulnerability exists in the way that the Microsoft Server Message Block 3.1.1 (SMBv3) protocol handles certain requests, aka 'Windows SMBv3 Client/Server Information Disclosure Vulnerability'.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 10.48% probability · 96th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-908
- Affected
- microsoft/windows 10 · microsoft/windows server 2016
- Source
- secure@microsoft.com
EPSS 10.5% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://packetstormsecurity.com/files/158053/SMBleed-Uninitialized-Kernel-Memory-Read-Proof-Of-Concept.htmlTechnical Description
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1206Patch, Vendor Advisory
- http://packetstormsecurity.com/files/158053/SMBleed-Uninitialized-Kernel-Memory-Read-Proof-Of-Concept.htmlTechnical Description
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1206Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.