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TI-2026-31793 Aliases CVE-2026-43701GHSA-779r-mf4g-rgf7

Improper access control in Apple Safari

Priority LOW 32CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
Low · Low · Low
Fix status
Partial Red Hat: 13 fixed, 2 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-284.

Summary

The issue was addressed with improved checks. This issue is fixed in Safari 26.5.2, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. A malicious website may be able to process restricted web content outside the sandbox.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00551 46th percentileScored 2026-11-07
Fix Partial Safari (Apple): 26.5.2iOS and iPadOS (Apple): 18.7.10, 26.5.2+4 more productsRed Hat: 10 advisoriesRed Hat: 13 fixed, 2 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
AppleSafaribefore 26.5.226.5.2Patch availableCNA
AppleiOS and iPadOSbefore 18.7.10; before 26.5.218.7.10, 26.5.2Patch availableCNA
ApplemacOSbefore 26.5.226.5.2Patch availableCNA
AppletvOSbefore 26.626.6Patch availableCNA
ApplevisionOSbefore 26.626.6Patch availableCNA
ApplewatchOSbefore 26.626.6Patch availableCNA
  • Safari VendorApple Affected before 26.5.2 Fixed in 26.5.2 Patch available CNA
  • iOS and iPadOS VendorApple Affected before 18.7.10; before 26.5.2 Fixed in 18.7.10, 26.5.2 Patch available CNA
  • macOS VendorApple Affected before 26.5.2 Fixed in 26.5.2 Patch available CNA
  • tvOS VendorApple Affected before 26.6 Fixed in 26.6 Patch available CNA
  • visionOS VendorApple Affected before 26.6 Fixed in 26.6 Patch available CNA
  • watchOS VendorApple Affected before 26.6 Fixed in 26.6 Patch available CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*before 26.5.2VulnerableApple
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 26.5.2VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 26.5.2VulnerableApple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*before 26.5.2VulnerableApple
  • cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* Versions before 26.5.2 Vulnerable ·Apple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 26.5.2 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 26.5.2 Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions before 26.5.2 Vulnerable ·Apple

Remediation

  • Fix · CNA Safari (Apple) Fixed in 26.5.2
  • Fix · CNA iOS and iPadOS (Apple) Fixed in 18.7.10, 26.5.2
  • Fix · CNA macOS (Apple) Fixed in 26.5.2
  • Fix · CNA tvOS (Apple) Fixed in 26.6
  • Fix · CNA visionOS (Apple) Fixed in 26.6
  • Fix · CNA watchOS (Apple) Fixed in 26.6

Red Hat 10 advisories

  • RHSA-2026:74084 Released 2026-09-30 · Red Hat rating Critical
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream (v. 8) webkit2gtk3-2.54.0-1.el8_10, webkit2gtk3-devel-2.54.0-1.el8_10, webkit2gtk3-jsc-2.54.0-1.el8_10 +1
  • RHSA-2026:59326 Released 2026-08-25 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream E4S (v.8.8) webkit2gtk3-2.52.5-1.el8_8, webkit2gtk3-devel-2.52.5-1.el8_8, webkit2gtk3-jsc-2.52.5-1.el8_8 +1
    • Red Hat Enterprise Linux AppStream TUS (v.8.8) webkit2gtk3-2.52.5-1.el8_8, webkit2gtk3-devel-2.52.5-1.el8_8, webkit2gtk3-jsc-2.52.5-1.el8_8 +1
  • RHSA-2026:59325 Released 2026-08-25 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.6) webkit2gtk3-2.52.5-1.el8_6, webkit2gtk3-devel-2.52.5-1.el8_6, webkit2gtk3-jsc-2.52.5-1.el8_6 +1
    • Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6) webkit2gtk3-2.52.5-1.el8_6, webkit2gtk3-devel-2.52.5-1.el8_6, webkit2gtk3-jsc-2.52.5-1.el8_6 +1
Show 7 more Red Hat advisories
  • RHSA-2026:58564 Released 2026-08-24 · Red Hat rating Important
    webkitgtk4 security update
    • Red Hat Enterprise Linux Server (v. 7 ELS) webkitgtk4-2.52.5-1.el7_9, webkitgtk4-devel-2.52.5-1.el7_9, webkitgtk4-jsc-2.52.5-1.el7_9 +1
    • Red Hat Enterprise Linux Server Optional (v. 7 ELS) webkitgtk4-devel-2.52.5-1.el7_9, webkitgtk4-doc-2.52.5-1.el7_9, webkitgtk4-jsc-devel-2.52.5-1.el7_9
  • RHSA-2026:58550 Released 2026-08-24 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.2) webkit2gtk3-2.52.5-1.el9_2, webkit2gtk3-devel-2.52.5-1.el9_2, webkit2gtk3-jsc-2.52.5-1.el9_2 +1
  • RHSA-2026:57348 Released 2026-08-20 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.4) webkit2gtk3-2.52.5-1.el8_4, webkit2gtk3-devel-2.52.5-1.el8_4, webkit2gtk3-jsc-2.52.5-1.el8_4 +1
    • Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) webkit2gtk3-2.52.5-1.el8_4, webkit2gtk3-devel-2.52.5-1.el8_4, webkit2gtk3-jsc-2.52.5-1.el8_4 +1
  • RHSA-2026:54634 Released 2026-08-13 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.4) webkit2gtk3-2.52.5-1.el9_4, webkit2gtk3-devel-2.52.5-1.el9_4, webkit2gtk3-jsc-2.52.5-1.el9_4 +1
  • RHSA-2026:54572 Released 2026-08-13 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream EUS (v.9.6) webkit2gtk3-2.52.5-1.el9_6, webkit2gtk3-devel-2.52.5-1.el9_6, webkit2gtk3-jsc-2.52.5-1.el9_6 +1
  • RHSA-2026:42062 Released 2026-07-20 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream (v. 9) webkit2gtk3-2.52.5-1.el9_8, webkit2gtk3-devel-2.52.5-1.el9_8, webkit2gtk3-jsc-2.52.5-1.el9_8 +1
  • RHSA-2026:42088 Released 2026-07-20 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream (v. 8) webkit2gtk3-2.52.5-1.el8_10, webkit2gtk3-devel-2.52.5-1.el8_10, webkit2gtk3-jsc-2.52.5-1.el8_10 +1

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Apple watchOS 26.6

    34 records Highest priority Priority MEDIUM 4 MEDIUM, 30 LOW

    Other records, highest priority first

    • TI-2026-28748 Improper input validation in Apple iOS and iPadOSPriority MEDIUM 46
    • TI-2026-31807 Use after free in Apple SafariPriority MEDIUM 43
    • TI-2026-31823 Use after free in Apple SafariPriority MEDIUM 40
  • Release ·

    Apple visionOS 26.6

    32 records Highest priority Priority MEDIUM 4 MEDIUM, 28 LOW

    Other records, highest priority first

    • TI-2026-28748 Improper input validation in Apple iOS and iPadOSPriority MEDIUM 46
    • TI-2026-31807 Use after free in Apple SafariPriority MEDIUM 43
    • TI-2026-31823 Use after free in Apple SafariPriority MEDIUM 40
Show 3 more groups
  • Release ·

    Apple tvOS 26.6

    32 records Highest priority Priority MEDIUM 4 MEDIUM, 28 LOW

    Other records, highest priority first

    • TI-2026-28748 Improper input validation in Apple iOS and iPadOSPriority MEDIUM 46
    • TI-2026-31807 Use after free in Apple SafariPriority MEDIUM 43
    • TI-2026-31823 Use after free in Apple SafariPriority MEDIUM 40
  • Release ·

    Apple Safari, macOS 26.5.2

    31 records Highest priority Priority MEDIUM 3 MEDIUM, 28 LOW

    Other records, highest priority first

  • Release ·

    Apple iOS and iPadOS 18.7.10, 26.5.2

    23 records Highest priority Priority MEDIUM 3 MEDIUM, 20 LOW

    Other records, highest priority first

    • TI-2026-28748 Improper input validation in Apple iOS and iPadOSPriority MEDIUM 46
    • TI-2026-31823 Use after free in Apple SafariPriority MEDIUM 40
    • TI-2026-31797 Type confusion in Apple SafariPriority MEDIUM 40

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2026:42088, RHSA-2026:74084
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2026:42062
Red Hat Enterprise Linux AppStream AUS (v.8.4)Fixed RHSA-2026:57348
Red Hat Enterprise Linux AppStream AUS (v.8.6)Fixed RHSA-2026:59325
Red Hat Enterprise Linux AppStream E4S (v.8.8)Fixed RHSA-2026:59326
Red Hat Enterprise Linux AppStream E4S (v.9.2)Fixed RHSA-2026:58550
Red Hat Enterprise Linux AppStream E4S (v.9.4)Fixed RHSA-2026:54634
Red Hat Enterprise Linux AppStream EUS (v.9.6)Fixed RHSA-2026:54572
Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Fixed RHSA-2026:57348
Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6)Fixed RHSA-2026:59325
Red Hat Enterprise Linux AppStream TUS (v.8.8)Fixed RHSA-2026:59326
Red Hat Enterprise Linux Server (v. 7 ELS)Fixed RHSA-2026:58564
Red Hat Enterprise Linux Server Optional (v. 7 ELS)Fixed RHSA-2026:58564

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-43701
  2. 2026-10-03 Alias added: GHSA-779r-mf4g-rgf7

References

  • TI-2025-28008 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
  • TI-2025-22441 Apple iOS and iPadOS: An attacker with arbitrary read and write capability may be able to… KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-22440 Memory corruption in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-17951 Out-of-bounds write in Apple Safari KEVCVSS 3.1CRITICAL 10.0
  • TI-2025-17847 Use after free in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
  • TI-2022-06854 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
See all 2382 →

Sources