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01 Record

CVE-2019-0865

A denial of service vulnerability exists when SymCrypt improperly handles a specially crafted digital signature.An attacker could exploit the vulnerability by creating a specially crafted connection

UnratedPUBLISHEDCNA: microsoft
CNA base scoreUnratedNo CNA CVSS vector

02 Description

A denial of service vulnerability exists when SymCrypt improperly handles a specially crafted digital signature.An attacker could exploit the vulnerability by creating a specially crafted connection

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
4.50% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 91.0% of scored records. A rank, not a probability.
NVD base score
7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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
2019-07-15 18:56Z7 YR AGO
Last updated
2024-08-04 17:58Z2 YR AGO
Reserved
2018-11-26
Assigning CNA
microsoft
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
No CWE assigned
Data version
5.1
Document digest
4c5c936b8c6a1386ab0c94b759daec7b4ac06245b6c179bc48b07d5fa59a44ca

05 Affected products

VendorProductVersionsPlatforms
MicrosoftWindows10 Version 1703 for 32-bit Systems, 10 Version 1703 for x64-based Systems, 10 Version 1709 for 32-bit Systems, 10 Version 1709 for x64-based Systems, 10 Version 1803 for 32-bit Systems, 10 Version 1803 for x64-based Systems, 10 Version 1803 for ARM64-based Systems, 10 Version 1809 for 32-bit Systems, 10 Version 1809 for x64-based Systems, 10 Version 1809 for ARM64-based Systems, 10 Version 1709 for ARM64-based Systems—
MicrosoftWindows Serverversion 1803 (Core Installation), 2019, 2019 (Core installation)—

06 References