CVE-2023-40447

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

1.52% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 72.8% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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

2023-10-25 18:31Z2 YR AGO

Last updated

2025-02-13 17:08Z1 YR AGO

Reserved

2023-08-14

Assigning CNA

apple

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass

Data version

5.1

Document digest

46d0fae6e6689cc0ba9d66005aa1d7d9513e8837d01d532a111cf2c1925f669d

• support.apple.comhttps://support.apple.com/en-us/HT213981
• support.apple.comhttps://support.apple.com/en-us/HT213986
• support.apple.comhttps://support.apple.com/en-us/HT213987
• support.apple.comhttps://support.apple.com/en-us/HT213984
• support.apple.comhttps://support.apple.com/en-us/HT213988
• support.apple.comhttps://support.apple.com/en-us/HT213982
• support.apple.comhttps://support.apple.com/kb/HT213984
• seclists.orghttp://seclists.org/fulldisclosure/2023/Oct/23
• seclists.orghttp://seclists.org/fulldisclosure/2023/Oct/22
• seclists.orghttp://seclists.org/fulldisclosure/2023/Oct/19
• seclists.orghttp://seclists.org/fulldisclosure/2023/Oct/27
• seclists.orghttp://seclists.org/fulldisclosure/2023/Oct/24
• seclists.orghttp://seclists.org/fulldisclosure/2023/Oct/25