The issue was addressed with improved bounds checks.
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Listed in CISA KEV
- How many real-world setups can hit the bug, from the vendor's advisory and CISA data. It does not know your setup.What do these mean? →
- Actively exploited
- Fix
- Fixed in 12.5, 15.6, 8.7
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
This vulnerability affects Apple's operating systems and browser, including tvOS, watchOS, iOS, iPadOS, macOS Monterey, and Safari. Processing maliciously crafted web content could allow an attacker to run arbitrary code on the affected device.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original description
The issue was addressed with improved bounds checks. This issue is fixed in tvOS 15.6, watchOS 8.7, iOS 15.6 and iPadOS 15.6, macOS Monterey 12.5, Safari 15.6. Processing web content may lead to arbitrary code execution.
Timeline
- CVE published
- Added to CISA KEV
CISA has evidence of exploitation in the wild
- Record last updated
- CISA remediation deadline
Due date for US federal agencies to patch
Affected versions
- Apple macOS
From unspecified · fixed in 12.5
- Apple tvOS
From unspecified · fixed in 15.6
- Apple Safari
From unspecified · fixed in 15.6
- Apple watchOS
From unspecified · fixed in 8.7
- Apple iOS and iPadOS
From unspecified · fixed in 15.6
References 5
Questions about CVE-2022-48503
What does this mean?
Processing web content can lead to arbitrary code execution. The advisory says the issue was addressed with improved bounds checks.Source: support.apple.com
Am I affected, and how do I check?
Apple lists macOS, tvOS, Safari, watchOS, and iOS and iPadOS as affected, with the fixed versions being macOS 12.5, tvOS 15.6, Safari 15.6, watchOS 8.7, and iOS and iPadOS 15.6. Check your device's software version under the system settings or About menu to compare it with these fixed versions.Source: support.apple.com
What should I do about it?
Update to the fixed version for your product: macOS 12.5, tvOS 15.6, Safari 15.6, watchOS 8.7, or iOS and iPadOS 15.6. Apple's advisory for Safari 15.6 describes the security content for that release.Source: support.apple.com
Is it being exploited?
Yes. CISA added it to its Known Exploited Vulnerabilities catalog on 2025-10-20, which means it has evidence of attacks. No public exploit code is tracked.Source: cisa.gov, cve.now feed data