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CVE-2023-43010

Apple iOS and iPadOS, Safari, macOS

The issue was addressed with improved memory handling. This issue is fixed in iOS 17.2 and iPadOS 17.2, macOS Sonoma 14.2, Safari 17.2, iOS 16.7.15 and iPadOS 16.7.15, iOS 15.8.7 and iPadOS 15.8.7. Processing maliciously crafted web content may lead to memory corruption.

CVSS
8.8
EPSS
0.89%
55.8% percentile
CISA KEV
Not listed
Published
2026.03.12
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.89%
Technical severityCVSS 8.8

Vulnerability overview

The issue was addressed with improved memory handling. This issue is fixed in iOS 17.2 and iPadOS 17.2, macOS Sonoma 14.2, Safari 17.2, iOS 16.7.15 and iPadOS 16.7.15, iOS 15.8.7 and iPadOS 15.8.7. Processing maliciously crafted web content may lead to memory corruption.

Affected product and versions

Product
Apple iOS and iPadOS, Safari, macOS
Affected versions
>= unspecified < 17.2, >= unspecified < 14.2, >= unspecified < 16.7.15, >= unspecified < 15.8.7, < 17.2, < 15.8.7, >= 16.0 < 16.7.15, >= 17.0 < 17.2, < 14.2
Fixed versions
17.2, 15.8.7, 16.7.15, 14.2

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Apple iOS and iPadOS, Safari, macOS and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
CWE-120, CWE-787