Application crash via Vision buffer overflow
Published Mar 25, 2026 · Updated Mar 25, 2026
A buffer overflow in Vision in affected Apple operating systems allows remote attackers to terminate an app by supplying a crafted file. Apple identifies improper memory handling but has not disclosed the affected Vision routine or the unchecked operation that overruns its buffer. Successful exploitation requires user interaction that causes an app to parse the file, and the reported consequence is limited to that app's termination.
Summary
What happened
A buffer overflow in Vision in affected Apple operating systems allows remote attackers to terminate an app by supplying a crafted file. Apple identifies improper memory handling but has not disclosed the affected Vision routine or the unchecked operation that overruns its buffer. Successful exploitation requires user interaction that causes an app to parse the file, and the reported consequence is limited to that app's termination.
The record
- CVE
- CVE-2026-20657
- Published
- Mar 25, 2026
- Updated
- Mar 25, 2026
- Vendor
- Apple
- Product
- iOS and iPadOS
- Classifications
- CWE-125, CWE-119, CWE-787, T1204.002
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Mar 25, 2026CVE publishedPublication date reported by the CVE source.
- Mar 25, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=0 <18.7.7
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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