CVE-2025-43300

Exploitation

Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2025-08-21. Federal remediation due 2025-09-11.

SSVC decision

• ExploitationactiveCISA reports credible evidence of active exploitation.
• AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

21.99% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 97.5% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Analyzed. 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

2025-08-21 00:27Z1 YR AGO

Last updated

2026-04-02 18:17Z5 MO AGO

Reserved

2025-04-16

Assigning CNA

apple

Record state

PUBLISHED

Severity

Critical (CVSS 10.0)

CNA CVSS vector

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

Weaknesses

• CWE-787Out-of-bounds WriteBase

Data version

5.2

Document digest

369dafe743a0cddedaed240e3ea3918614ce67aa556ddf6fbe0d4552a05e3695

• support.apple.comhttps://support.apple.com/en-us/124925
• support.apple.comhttps://support.apple.com/en-us/124926
• support.apple.comhttps://support.apple.com/en-us/124927
• support.apple.comhttps://support.apple.com/en-us/124928
• support.apple.comhttps://support.apple.com/en-us/124929
• support.apple.comhttps://support.apple.com/en-us/125141
• support.apple.comhttps://support.apple.com/en-us/125142
• www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-43300government-resource
• github.comhttps://github.com/cisagov/vulnrichment/issues/201issue-tracking
• github.comhttps://github.com/b1n4r1b01/n-days/blob/main/CVE-2025-43300.md
• seclists.orghttp://seclists.org/fulldisclosure/2025/Sep/52
• seclists.orghttp://seclists.org/fulldisclosure/2025/Sep/14
• seclists.orghttp://seclists.org/fulldisclosure/2025/Sep/10