CVE-2021-1786 Privilege escalation in iOS and iPadOS
A local attacker can exploit a logic flaw to create or modify system files, potentially escalating privileges on Apple devices.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-1786?
CVE-2021-1786 is a medium-severity vulnerability in Apple Ipados, published on 2 Apr 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A local user may be able to create or modify system files.
Which versions are affected by CVE-2021-1786?
It affects 6 products.
Products include Apple Ipados, Apple Iphone Os, Apple Mac Os X, Apple Macos, Apple Tvos, Apple Watchos.
How do I fix CVE-2021-1786?
No fix has been published for CVE-2021-1786 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-1786 being exploited?
There is no known exploitation of CVE-2021-1786 in the wild and no public exploit code.
Other vulnerabilities in Apple Ipados
- CVE-2025-43300 Apple iOS, iPadOS, and macOS Out-of-Bounds Write
- CVE-2025-24201 Apple Multiple Products WebKit Out-of-Bounds Write
- CVE-2025-24085 Apple Multiple Products Use-After-Free
- CVE-2025-31200 Apple Multiple Products Memory Corruption
- CVE-2025-31201 Apple Multiple Products Arbitrary Read and Write
Sources
Also known as GHSA-qm43-34xg-9vr7.