Security readout for executives and security teams
Plain-English summary
Apple fixed a high-severity memory corruption flaw affecting multiple Apple operating systems. A malicious application could cause unexpected changes in memory shared between processes. The business risk is highest where users can install untrusted apps or devices lag behind Apple security updates.
Executive priority
Prioritize this in the next Apple patch cycle, faster for executives, developers, administrators, and high-risk mobile users. There is no confirmed KEV signal in the bundle, but the impact and device breadth justify prompt remediation.
Technical view
CVE-2025-43510 is a CWE-667 improper locking issue addressed by improved lock state checking. Apple says exploitation requires a malicious application and may alter shared interprocess memory. CVSS 3.1 is 7.8, with local attack vector, low complexity, no privileges, user interaction required, and high CIA impact.
Likely exposure
Exposure applies to Apple devices running versions older than iOS/iPadOS 18.7.2 or 26.1, macOS Sequoia 15.7.2, Sonoma 14.8.2, Tahoe 26.1, tvOS 26.1, visionOS 26.1, or watchOS 26.1.
Exploitation context
The provided bundle does not show CISA KEV listing for active exploitation. A Google threat intelligence article is referenced, but the bundle does not provide enough detail to confirm exploitation of this CVE. Treat risk as high due to impact and broad Apple platform coverage.
Researcher notes
Key unknowns remain: exact vulnerable component, exploit primitives, and whether the referenced Google article specifically confirms exploitation of CVE-2025-43510. Apple’s description is limited to shared-memory corruption from a malicious application and a lock-state-checking fix.
Mitigation direction
- Update affected Apple devices to the fixed versions named by Apple.
- Prioritize managed mobile devices and Macs with access to sensitive business data.
- Restrict installation of untrusted applications where enterprise controls allow.
- Check Apple advisories for any newer superseding updates or guidance.
Validation and detection
- Inventory Apple OS versions across managed endpoints and mobile devices.
- Confirm devices meet or exceed the fixed versions listed by Apple.
- Review MDM compliance reports for deferred or failed updates.
- Check CISA KEV and Apple pages for updated exploitation guidance.
Public sources used
- CVE Program
- CVE List V5
- Apple security update 125632
- Apple security update 125633
- Apple security update 125634
- Apple security update 125635
- Apple security update 125636
- Apple security update 125637
- Apple security update 125638
- Apple security update 125639
- Google Cloud threat intelligence reference
- CISA Known Exploited Vulnerabilities query
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-667: Exact CWE lookup
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Open ATT&CK lookupCVE-2025-43510 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.8 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CISA KEV status
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H1.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.8HighVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://support.apple.com/en-us/125632CVE reference
- https://support.apple.com/en-us/125633CVE reference
- https://support.apple.com/en-us/125634CVE reference
- https://support.apple.com/en-us/125635CVE reference
- https://support.apple.com/en-us/125636CVE reference
- https://support.apple.com/en-us/125637CVE reference
- https://support.apple.com/en-us/125638CVE reference
- https://support.apple.com/en-us/125639CVE reference
- https://cloud.google.com/blog/topics/threat-intelligence/darksword-ios-exploit-chain/CVE reference · third-party-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-43510CVE reference · government-resource
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Locking
Improper Locking represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.