CVE-2026-28917: Processing maliciously crafted web content may lead to an unexpected process crash in Apple Safari
The issue was addressed with improved input validation. This issue is fixed in Safari 26.5, iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web content may lead to an unexpected process crash.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-28917) involves Safari improperly handling maliciously crafted web content, leading to an unexpected process crash due to insufficient input validation (CWE-20). The issue affects Safari and related Apple operating systems prior to version 26.5. Apple fixed the vulnerability by improving input validation in Safari 26.5 and OS updates including iOS 18.7.9, iPadOS 18.7.9, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, and watchOS 26.5. The CVSS v3.1 base score is 4.3, indicating medium severity, with an attack vector of network, low attack complexity, no privileges required, user interaction required, and impact limited to availability (process crash).
Potential Impact
Successful exploitation of this vulnerability may cause Safari to crash unexpectedly, resulting in a denial of service condition for the user. There is no impact on confidentiality or integrity according to the CVSS vector. No known exploits are reported in the wild.
Mitigation Recommendations
Apple has released official fixes for this vulnerability in Safari 26.5 and corresponding OS updates (iOS 18.7.9, iPadOS 18.7.9, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5). Users and administrators should apply these updates to remediate the issue. Patch status is confirmed by the vendor advisory. No additional mitigations are indicated.
CVE-2026-28917: Processing maliciously crafted web content may lead to an unexpected process crash in Apple Safari
Description
The issue was addressed with improved input validation. This issue is fixed in Safari 26.5, iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web content may lead to an unexpected process crash.
CVSS v3.1
Score 4.3medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-28917) involves Safari improperly handling maliciously crafted web content, leading to an unexpected process crash due to insufficient input validation (CWE-20). The issue affects Safari and related Apple operating systems prior to version 26.5. Apple fixed the vulnerability by improving input validation in Safari 26.5 and OS updates including iOS 18.7.9, iPadOS 18.7.9, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, and watchOS 26.5. The CVSS v3.1 base score is 4.3, indicating medium severity, with an attack vector of network, low attack complexity, no privileges required, user interaction required, and impact limited to availability (process crash).
Potential Impact
Successful exploitation of this vulnerability may cause Safari to crash unexpectedly, resulting in a denial of service condition for the user. There is no impact on confidentiality or integrity according to the CVSS vector. No known exploits are reported in the wild.
Mitigation Recommendations
Apple has released official fixes for this vulnerability in Safari 26.5 and corresponding OS updates (iOS 18.7.9, iPadOS 18.7.9, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5). Users and administrators should apply these updates to remediate the issue. Patch status is confirmed by the vendor advisory. No additional mitigations are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-03-03T16:36:03.985Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a028752cbff5d86108b5847
Added to database: 05/12/2026, 01:50:10 UTC
Last enriched: 05/19/2026, 09:30:27 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 73
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