synced 11 MIN AGO
01 Record

CVE-2026-64718

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.6, Safari 27, iOS 26.6 and iPadOS 26.6, iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS

MediumPUBLISHEDCNA: apple
CNA base score5.5 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

02 Description

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.6, Safari 27, iOS 26.6 and iPadOS 26.6, iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.26% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 17.7% of scored records. A rank, not a probability.
NVD base score
5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-09-14.
Red Hat severity
Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-07-27 20:12Z3 MO AGO
Last updated
2026-10-26 20:33Z2 DAYS AGO
Reserved
2026-07-20
Assigning CNA
apple
Record state
PUBLISHED
Severity
Medium (CVSS 5.5)
CNA CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weaknesses
Data version
5.2
Document digest
6772230d29fd502ff56cc139226cd18d29472cf4e2bfdd91be68a135ab94132f

05 Affected products

VendorProductVersionsPlatforms
AppleSafari0 to < 26.6, 0 to < 27—
AppleiOS and iPadOS0 to < 26.6, 0 to < 26.7, 0 to < 27—
ApplemacOS0 to < 26.6, 0 to < 27—
AppletvOS0 to < 26.6—
ApplevisionOS0 to < 26.6, 0 to < 27—
ApplewatchOS0 to < 26.6—

06 References

07 Fixed in

AlmaLinux 8

  • webkit2gtk3
    Fixed in 2.54.0-1.el8_10
  • webkit2gtk3-devel
    Fixed in 2.54.0-1.el8_10
  • webkit2gtk3-jsc
    Fixed in 2.54.0-1.el8_10
  • webkit2gtk3-jsc-devel
    Fixed in 2.54.0-1.el8_10

Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.

AlmaLinux 9

  • webkit2gtk3
    Fixed in 2.54.0-1.el9_8
  • webkit2gtk3-devel
    Fixed in 2.54.0-1.el9_8
  • webkit2gtk3-jsc
    Fixed in 2.54.0-1.el9_8
  • webkit2gtk3-jsc-devel
    Fixed in 2.54.0-1.el9_8

Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.

CloudLinux 8

  • webkit2gtk3
    Fixed in 2.54.0-1.el8_10
  • webkit2gtk3-devel
    Fixed in 2.54.0-1.el8_10
  • webkit2gtk3-jsc
    Fixed in 2.54.0-1.el8_10
  • webkit2gtk3-jsc-devel
    Fixed in 2.54.0-1.el8_10

Derived from AlmaLinux 8. Partial coverage: only packages taken from AlmaLinux 8 are listed.

Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.

CloudLinux 9

  • webkit2gtk3
    Fixed in 2.54.0-1.el9_8
  • webkit2gtk3-devel
    Fixed in 2.54.0-1.el9_8
  • webkit2gtk3-jsc
    Fixed in 2.54.0-1.el9_8
  • webkit2gtk3-jsc-devel
    Fixed in 2.54.0-1.el9_8

Derived from AlmaLinux 9. Partial coverage: only packages taken from AlmaLinux 9 are listed.

Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.