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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