CVE-2025-43520
mediumpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.004 · 36 %ileDEEUUSadded 2026-03-20remediate by 2026-04-03
required action Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
EPSS · scored 2026-10-24
Apple Multiple Products Classic Buffer Overflow Vulnerability
A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Sequoia 15.7.2, macOS Sonoma 14.8.2, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1, watchOS 26.1. A malicious application may be able to cause unexpected system termination or write kernel memory.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (25)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2025-2473Apple iOS: Mehrere SchwachstellenDeutsch2025-11-03csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Apple iOS und Apple iPadOS ausnutzen, um Informationen offenzulegen, um einen Denial of Service Angriff durchzuführen, potentiell Code auszuführen und um Sicherheitsvorkehrungen zu umgehen.
- WID-SEC-W-2025-2475Apple macOS: Mehrere SchwachstellenDeutsch2025-11-03csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Apple macOS ausnutzen, um Informationen offenzulegen, um einen Denial of Service Angriff durchzuführen, um Sicherheitsvorkehrungen zu umgehen, um Dateien zu manipulieren, und um seine Privilegien zu erhöhen.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (27)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2025-43520cnnvd
- https://support.apple.com/en-us/125632cnnvd
- https://support.apple.com/en-us/125633cnnvd
- https://support.apple.com/en-us/125634cnnvd
- https://support.apple.com/en-us/125635cnnvd
- https://support.apple.com/en-us/125636cnnvd
- https://support.apple.com/en-us/125637cnnvd
- https://support.apple.com/en-us/125638cnnvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan