CVE-2023-1646

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

0.37% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 30.4% of scored records. A rank, not a probability.

NVD base score

7.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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.

Published

2023-03-26 22:31Z3 YR AGO

Last updated

2024-08-02 05:57Z2 YR AGO

Reserved

2023-03-26

Assigning CNA

VulDB

Record state

PUBLISHED

Severity

Medium (CVSS 5.3)

CNA CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Weaknesses

• CWE-121Stack-based Buffer OverflowVariant
• CWE-787Out-of-bounds WriteBase

Data version

5.1

Document digest

1739f9b4cd5d17924ed2057d8b41221672540c32bca4edd5c5cfd8527a5920c6

• vuldb.comhttps://vuldb.com/?id.224026vdb-entrytechnical-description
• vuldb.comhttps://vuldb.com/?ctiid.224026signaturepermissions-required
• github.comhttps://github.com/zeze-zeze/WindowsKernelVuln/tree/master/CVE-2023-1646related
• drive.google.comhttps://drive.google.com/file/d/1GITWzh29cRcycVqVJgMJuX6emE_f1KPV/viewexploit