Exploited vulnerabilities / CVE-2025-43510
Confirmed exploited · exploited vulnerability · Apple Multiple ProductsCVE-2025-43510
Apple Multiple Products exploited vulnerability, confirmed exploited in the wild.
Apple watchOS, iOS, iPadOS, macOS, visionOS, and tvOS contain an improper locking vulnerability that could allow a malicious application to cause unexpected changes in memory shared between processes.
| CISA's name for it | Apple Multiple Products Improper Locking Vulnerability |
|---|---|
| Vendor and product | Apple · Multiple Products |
| Type | exploited vulnerability · CWE-667 |
| Exploited | Confirmed by CISA listed 20 March 2026 |
| Likelihood | scored lower by EPSS, but already confirmed exploited, which outranks any prediction |
| Deadline | 3 April 2026 · already passed |
| Used in ransomware | Not reported |
| Advisories | support.apple.com ↗ · support.apple.com ↗ · support.apple.com ↗ · support.apple.com ↗ |
Three steps, in this order
Apply the vendor's fix or mitigation; CISA lists only vulnerabilities seen exploited.
If you cannot patch now, restrict network access to the affected product.
Check for signs of compromise since the date it was added to the list.
| CISA's 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. |
|---|
Know before someone else finds it
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CVE-2025-43510 in short
Is CVE-2025-43510 being exploited?
Yes. CISA added CVE-2025-43510 to its Known Exploited Vulnerabilities catalogue on 20 March 2026, which it does only on evidence of exploitation in the wild.
What is the CISA deadline for CVE-2025-43510?
US federal agencies must remediate it by 3 April 2026. Everyone else should treat that date as the latest safe point to patch an internet-facing system.
How likely is CVE-2025-43510 to be exploited in the next 30 days?
FIRST's Exploit Prediction Scoring System gives it 0.4%, the 31st percentile of every CVE it scores.
How do I fix CVE-2025-43510?
Apply the vendor's fix or mitigation; CISA lists only vulnerabilities seen exploited. If you cannot patch now, restrict network access to the affected product. Check for signs of compromise since the date it was added to the list.
Other Apple vulnerabilities being exploited
| CVE | Product | Type | Listed |
|---|---|---|---|
| CVE-2024-27834 | Multiple Products | authentication bypass | 4 November 2026 |
| CVE-2026-86950 | Multiple Products | remote code execution | 29 September 2026 |
| CVE-2026-65400 | macOS | authentication bypass | 18 August 2026 |
| CVE-2025-43520 | Multiple Products | memory corruption | 20 March 2026 |
| CVE-2025-31277 | Multiple Products | memory corruption | 20 March 2026 |
| CVE-2023-43000 | Multiple Products | memory corruption | 5 March 2026 |
Sources: CISA Known Exploited Vulnerabilities catalogue (released 10 November 2026) and FIRST EPSS. Page compiled automatically by SAK T.L.M, the threat-intelligence tool of SAK T.E.C, on 13 November 2026.