Apple has published the full list of security fixes for Safari 26.5, including a WebKit vulnerability that could let maliciously crafted web content disclose sensitive user information. Here are the details.
On that same day, the company released the full security content for each update, and you can find more details about it here.
Now, Apple has released the security content for Safari 26.5, which includes fixes for 20 WebKit vulnerabilities, as well as a WebRTC issue that could cause an unexpected process crash.
Available for: macOS Sonoma and macOS Sequoia
Impact: Processing maliciously crafted web content may prevent Content Security Policy from being enforced
Description: A validation issue was addressed with improved logic.
WebKit Bugzilla: 308906
CVE-2026-43660: Cantina
Available for: macOS Sonoma and macOS Sequoia
Impact: Processing maliciously crafted web content may prevent Content Security Policy from being enforced
Description: The issue was addressed with improved input validation.
WebKit Bugzilla: 308675
CVE-2026-28907: Cantina
Available for: macOS Sonoma and macOS Sequoia
Impact: Processing maliciously crafted web content may disclose sensitive user information
Description: This issue was addressed with improved access restrictions.
WebKit Bugzilla: 309698
CVE-2026-28962: Luke Francis, Vaagn Vardanian, kwak kiyong / kakaogames, Vitaly Simonovich, Adel Bouachraoui, greenbynox
Available for: macOS Sonoma and macOS Sequoia
Impact: Processing maliciously crafted web content may lead to an unexpected Safari crash
Description: The issue was addressed with improved memory handling.
WebKit Bugzilla: 307669
CVE-2026-43658: Do Young Park
Available for: macOS Sonoma and macOS Sequoia
Impact: Processing maliciously crafted web content may lead to an unexpected process crash
Description: The issue was addressed with improved memory handling.
WebKit Bugzilla: 308545
CVE-2026-28905: Yuhao Hu, Yuanming Lai, Chenggang Wu, and Zhe Wang
WebKit Bugzilla: 308707
CVE-2026-28847: DARKNAVY (@DarkNavyOrg), Anonymous working with TrendAI Zero Day Initiative, Daniel Rhea
WebKit Bugzilla: 309601
CVE-2026-28904: Luka Rački
WebKit Bugzilla: 310880
CVE-2026-28955: wac and Kookhwan Lee working with TrendAI Zero Day Initiative
WebKit Bugzilla: 310303
CVE-2026-28903: Mateusz Krzywicki (iVerify.io)
WebKit Bugzilla: 309628
CVE-2026-28953: Maher Azzouzi
WebKit Bugzilla: 309861
CVE-2026-28902: Tristan Madani (@TristanInSec) from Talence Security, Nathaniel Oh (@calysteon)
WebKit Bugzilla: 310207
CVE-2026-28901: Aisle offensive security research team (Joshua Rogers, Luigino Camastra, Igor Morgenstern, and Guido Vranken), Maher Azzouzi, Ngan Nguyen of Calif.io
WebKit Bugzilla: 311631
CVE-2026-28913: an anonymous researcher
Available for: macOS Sonoma and macOS Sequoia
Impact: Processing maliciously crafted web content may lead to an unexpected process crash
Description: A use-after-free issue was addressed with improved memory management.
WebKit Bugzilla: 313939
CVE-2026-28883: kwak kiyong / kakaogames
Available for: macOS Sonoma and macOS Sequoia
Impact: An app may be able to access sensitive user data
Description: This issue was addressed with improved data protection.
WebKit Bugzilla: 311228
CVE-2026-28958: Cantina
Available for: macOS Sonoma and macOS Sequoia
Impact: Processing maliciously crafted web content may lead to an unexpected process crash
Description: The issue was addressed with improved input validation.
WebKit Bugzilla: 310527
CVE-2026-28917: Vitaly Simonovich
Available for: macOS Sonoma and macOS Sequoia
Impact: Processing maliciously crafted web content may lead to an unexpected Safari crash
Description: A use-after-free issue was addressed with improved memory management.
WebKit Bugzilla: 310234
CVE-2026-28947: dr3dd
WebKit Bugzilla: 310544
CVE-2026-28946: Gia Bui (@yabeow) from Calif.io, dr3dd, w0wbox
WebKit Bugzilla: 312180
CVE-2026-28942: Milad Nasr and Nicholas Carlini with Claude, Anthropic
Available for: macOS Sonoma and macOS Sequoia
Impact: A malicious iframe may use another website’s download settings
Description: The issue was addressed with improved UI handling.
CVE-2026-28971: Khiem Tran
WebKit Bugzilla: 311288
Available for: macOS Sonoma and macOS Sequoia
Impact: Processing maliciously crafted web content may lead to an unexpected process crash
Description: The issue was addressed with improved memory handling.
WebKit Bugzilla: 311131
CVE-2026-28944: Kenneth Hsu of Palo Alto Networks, Jérôme DJOUDER, dr3dd
If your Mac is compatible with Safari 26.5, it might be a good idea to make sure you’re running the latest version as soon as possible.
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