01 Record
CVE-2018-8305
An information disclosure vulnerability exists in Windows Mail Client when a message is opened, aka "Windows Mail Client Information Disclosure Vulnerability." This affects Mail, Calendar, and People
UnratedPUBLISHEDCNA: microsoft
CNA base scoreUnratedNo CNA CVSS vector
02 Description
An information disclosure vulnerability exists in Windows Mail Client when a message is opened, aka "Windows Mail Client Information Disclosure Vulnerability." This affects Mail, Calendar, and People
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 8.59% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 95.0% of scored records. A rank, not a probability.
- NVD base score
- 6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2018-07-11 00:00Z8 YR AGO
- Last updated
- 2024-08-05 06:54Z2 YR AGO
- Reserved
- 2018-03-14
- Assigning CNA
- microsoft
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass
- Data version
- 5.1
- Document digest
- a441cdc807c24d2bdc7ec5eaf6410a02b7acac6c04d120c7ff75e44183e26f0b
05 Affected products
VendorProductVersionsPlatforms
MicrosoftMail, Calendar, and People in Windows 8.1 App StoreMail, Calendar, and People in Windows 8.1 App Store—
06 References
- www.securitytracker.com1041270http://www.securitytracker.com/id/1041270
- www.securityfocus.com104618http://www.securityfocus.com/bid/104618
- portal.msrc.microsoft.comhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8305