GCVE-1988-2026-0258
Vulnerability from gna-1988 – Published: 2026-09-08 08:13 – Updated: 2026-09-09 10:08
VLAI
EPSS
VEX
Title
APPLE-SA-03-17-2026-1 Background Security Improvements for iOS 26.3.1, iPadOS 26.3.1, macOS 26.3.1, and macOS 26.3.2
Summary
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
APPLE-SA-03-17-2026-1 Background Security Improvements for iOS 26.3.1,
iPadOS 26.3.1, macOS 26.3.1, and macOS 26.3.2
Background Security Improvements for iOS 26.3.1, iPadOS 26.3.1, macOS
26.3.1, and macOS 26.3.2 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/126604.
Apple maintains a Security Releases page at
https://support.apple.com/100100 which lists recent
software updates with security advisories.
iOS 26.3.1 (a), iPadOS 26.3.1 (a), macOS 26.3.1 (a), macOS 26.3.2 (a)
WebKit
Available for: iOS 26.3.1, iPadOS 26.3.1, macOS 26.3.1, macOS 26.3.2
Impact: Processing maliciously crafted web content may bypass Same
Origin Policy
Description: A cross-origin issue in the Navigation API was addressed
with improved input validation.
WebKit Bugzilla: 306050
CVE-2026-20643: Thomas Espach
All information is also posted on the Apple Security Releases
web site: https://support.apple.com/100100.
This message is signed with Apple's Product Security PGP key,
and details are available at:
https://www.apple.com/support/security/pgp/
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_______________________________________________
Sent through the Full Disclosure mailing list
https://nmap.org/mailman/listinfo/fulldisclosure
Web Archives & RSS: https://seclists.org/fulldisclosure/
Severity
No CVSS data available.
Assigner
References
7 references
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Apple | APPLE-SA-03-17-2026-1 Background Security |
Affected:
unknown
|
guessed |
Relationships
reference
GCVE-1988-2026-0258 (this record)
- related CVE-2026-20643
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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