CVE-2018-8383

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

6.85% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 93.6% of scored records. A rank, not a probability.

NVD base score

4.3 (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:N/I:L/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.

Published

2018-08-15 17:00Z8 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-290Authentication Bypass by SpoofingBase

Data version

5.1

Document digest

da4310dec56f62ead9de9fa9e4ab01b45c8608eec9e5c6fb687698a5651edf15

• www.securityfocus.com105024http://www.securityfocus.com/bid/105024vdb-entryx_refsource_BID
• www.securitytracker.com1041457http://www.securitytracker.com/id/1041457vdb-entryx_refsource_SECTRACK
• portal.msrc.microsoft.comhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8383x_refsource_CONFIRM
• seclists.org20190411 WebKitGTK and WPE WebKit Security Advisory WSA-2019-0002https://seclists.org/bugtraq/2019/Apr/21mailing-listx_refsource_BUGTRAQ
• www.openwall.com[oss-security] 20190410 WebKitGTK and WPE WebKit Security Advisory WSA-2019-0002http://www.openwall.com/lists/oss-security/2019/04/11/1mailing-listx_refsource_MLIST