DaystoPatch

AppleExploited incident

Apple Multiple Products Improper Locking Vulnerability

CVE-2025-43510High, CVSS 7.8In CISA's Known Exploited Vulnerabilities catalog since 20 Mar 2026

Automated timeline. Not yet checked by a researcher, so it doesn't count toward any grade.

FixedFixed for every supported version on the day it became public.

Response

Silence
same day
First public report to first vendor statementUnverified source
Exposure
same day
First public report to first fix
Follow-through
same day
First public report to a fix for every supported versionUnverified source
  • Vendor silent
  • Vendor statement, no fix
  • Fixed for some versions
  • Fixed when disclosed
  • Date only, no time of day

Timeline and evidence

Open a moment to see its source and archived quote.

  1. First public report

    CVE.org record CVE-2025-43510ClaimedQuote verified

    A memory corruption issue was addressed with improved lock state checking. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Sequoia 15.7.2, macOS Sonoma 14.8.2,

    CVE record published.

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    sha256:09aa4ae8742aa820…
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    5 more sources for this moment
    Apple advisory 125632/CVE-2025-43510ClaimedQuote not found in archive12 Dec 2025

    iOS 26.1 and iPadOS 26.1: Kernel. Impact: A malicious application may cause unexpected changes in memory shared between processes Description: A memory corruption issue was addressed with improved

    The vendor's own disclosure.

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    Bluesky postClaimedQuote not checked yet12 Dec 2025, 21:47 UTC

    You can now share your thoughts on vulnerability CVE-2025-43510 in Vulnerability-Lookup:

    Earliest third-party post we hold.

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    Mastodon postClaimedQuote not checked yet18 Mar 2026, 16:58 UTC

    The Proliferation of DarkSword: iOS Exploit Chain Adopted by Multiple Threat Actors # DarkSword # UNC6353 # UNC6748 # GHOSTKNIFE # PARSDefense # GHOSTSABER # CVE_2025_31277 # CVE_2026_20700 #

    Earliest third-party post we hold.

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    Hacker NewsClaimedQuote not checked yet19 Mar 2026, 02:37 UTC

    Also of note, the exploit relied on: - CVE-2025-31277 or CVE-2025-43529 - CVE-2026-20700 - CVE-2025-14714 - CVE-2025-43510 - CVE-2025-43520 Any single of these patched and the exploit was not functional anymore. After a collaboration between the Google Threat Intelligence Group and

    Earliest third-party post we hold. An independent author on another platform posted within 48 hours. Used for unreviewed incidents only, never graded.

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    CISA KEV (CVE-2025-43510)ClaimedQuote verified20 Mar 2026

    Apple Multiple Products Improper Locking Vulnerability

    Added to CISA's KEV catalog on 2026-03-20.

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  2. Vendor statement

    date onlysame dayUnverified: quote not found in the archived copy

    Apple advisory 125632/CVE-2025-43510ClaimedQuote not found in archive

    iOS 26.1 and iPadOS 26.1: Kernel. Impact: A malicious application may cause unexpected changes in memory shared between processes Description: A memory corruption issue was addressed with improved

    Recorded time
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    7 more sources for this moment
    Apple advisory 125633/CVE-2025-43510ClaimedQuote verified12 Dec 2025

    Entry added December 12, 2025

    entry added to the iOS 18.7.2 and iPadOS 18.7.2 security notes after the release

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    Apple advisory 125634/CVE-2025-43510ClaimedQuote verified12 Dec 2025

    Entry added December 12, 2025

    entry added to the macOS Tahoe 26.1 security notes after the release

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    Apple advisory 125635/CVE-2025-43510ClaimedQuote verified12 Dec 2025

    Entry added December 12, 2025

    entry added to the macOS Sequoia 15.7.2 security notes after the release

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    Apple advisory 125636/CVE-2025-43510ClaimedQuote verified12 Dec 2025

    Entry added December 12, 2025

    entry added to the macOS Sonoma 14.8.2 security notes after the release

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    Apple advisory 125637/CVE-2025-43510ClaimedQuote verified12 Dec 2025

    Entry added December 12, 2025

    entry added to the tvOS 26.1 security notes after the release

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    Apple advisory 125638/CVE-2025-43510ClaimedQuote verified12 Dec 2025

    Entry added December 12, 2025

    entry added to the visionOS 26.1 security notes after the release

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    Apple advisory 125639/CVE-2025-43510ClaimedQuote verified12 Dec 2025

    Entry added December 12, 2025

    entry added to the watchOS 26.1 security notes after the release

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  3. First workaround

    No official mitigation found yet.

  4. First fix

    date onlysame day

    Apple advisory 125632/CVE-2025-43510ClaimedQuote verified

    Released November 3, 2025

    fixed in iOS 26.1 and iPadOS 26.1; one candidate per OS branch

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    8 more sources for this moment
    Apple advisory 125634/CVE-2025-43510ClaimedQuote verified3 Nov 2025

    Released November 3, 2025

    fixed in macOS Tahoe 26.1; one candidate per OS branch

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    Apple advisory 125635/CVE-2025-43510ClaimedQuote verified3 Nov 2025

    Released November 3, 2025

    fixed in macOS Sequoia 15.7.2; one candidate per OS branch

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    Apple advisory 125636/CVE-2025-43510ClaimedQuote verified3 Nov 2025

    Released November 3, 2025

    fixed in macOS Sonoma 14.8.2; one candidate per OS branch

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    Apple advisory 125637/CVE-2025-43510ClaimedQuote verified3 Nov 2025

    Released November 3, 2025

    fixed in tvOS 26.1; one candidate per OS branch

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    Apple advisory 125638/CVE-2025-43510ClaimedQuote verified3 Nov 2025

    Released November 3, 2025

    fixed in visionOS 26.1; one candidate per OS branch

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    Apple advisory 125639/CVE-2025-43510ClaimedQuote verified3 Nov 2025

    Released November 3, 2025

    fixed in watchOS 26.1; one candidate per OS branch

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    Apple advisory 125633/CVE-2025-43510ClaimedQuote verified5 Nov 2025

    Released November 5, 2025

    fixed in iOS 18.7.2 and iPadOS 18.7.2; one candidate per OS branch

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    Apple advisory 125632/CVE-2025-43510Inferred12 Dec 2025

    iOS 26.1 and iPadOS 26.1: Kernel. Impact: A malicious application may cause unexpected changes in memory shared between processes Description: A memory corruption issue was addressed with improved

    Patch-day rule: Apple ships fixes in the advisory that discloses a bug, and this advisory states that fixed versions exist. So the vendor statement, first fix and fix for all versions all take the advisory's publication time.

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  5. Fixed for all versions

    date onlysame dayUnverified: derived by rule, not read from a source

    Apple advisory 125632/CVE-2025-43510Inferred

    iOS 26.1 and iPadOS 26.1: Kernel. Impact: A malicious application may cause unexpected changes in memory shared between processes Description: A memory corruption issue was addressed with improved

    Patch-day rule: Apple ships fixes in the advisory that discloses a bug, and this advisory states that fixed versions exist. So the vendor statement, first fix and fix for all versions all take the advisory's publication time.

    Recorded time
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    Date only (no time of day is shown)
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    Inferred. Derived by a documented rule.
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    Not found in the archived copy. Treat with caution.
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    sha256:145cd0ca88ae3905…
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    Yes
    Dispute this timestamp

Send this to your boss

No brief for this incident yet. We write one for every open incident and every critical bug exploited before a fix.

Affected products

  • Multiple Products
  • iOS 18.7.2 and iPadOS 18.7.2
  • iOS 26.1 and iPadOS 26.1
  • macOS Tahoe 26.1
  • macOS Sequoia 15.7.2
  • macOS Sonoma 14.8.2
  • tvOS 26.1
  • watchOS 26.1
  • visionOS 26.1

Related

Apple report card