CVE-2024-27826
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedThe issue was addressed with improved memory handling. This issue is fixed in iOS 17.5 and iPadOS 17.5, macOS Monterey 12.7.6, macOS Sonoma 14.5, macOS Ventura 13.6.8, tvOS 17.5, visionOS 1.3, watchOS 10.5. A local attacker may be able to cause unexpected system shutdown.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · high confidenceThis is a local privilege escalation vulnerability in multiple Apple operating systems stemming from improper memory handling. A local attacker can exploit this memory corruption issue to cause an unexpected system shutdown (denial of service). The vulnerability affects iOS, iPadOS, macOS, tvOS, visionOS, and watchOS as specified in the affected versions.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data< 17.5< 17.5>= 12.0, < 12.7.6>= 13.0, < 13.6.8>= 14.0, < 14.5< 17.5< 1.3< 10.5CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Local
- Complexity
- Low
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify Apple devices in your environmentInventory all Apple devices including iPhones, iPads, Mac computers, Apple TV, Apple Watch, and Apple Vision Pro. Use MDM software, network scanning, or physical inspection to compile a complete list.Affected if Any Apple device is present in the environment
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Check iOS or iPadOS versionOn the device, go to Settings > General > About > Version. Alternatively, connect to MDM or device management console to retrieve the installed iOS/iPadOS version programmatically.Affected if Installed version is below 17.5 on iPhone or iPad
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Check macOS versionOn the Mac, click the Apple menu > About This Mac. The version number appears in the window. For remote checks, use MDM tools or run 'sw_vers' in Terminal.Affected if Installed version is 12.0 through 12.7.5, 13.0 through 13.6.7, or 14.0 through 14.4 (any version in the affected ranges)
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Check tvOS versionOn Apple TV, go to Settings > General > About > Version. For remote checks, use MDM or Apple Configurator.Affected if Installed version is below 17.5 on Apple TV
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Check visionOS versionOn Apple Vision Pro, go to Settings > General > About > Version.Affected if Installed version is below 1.3 on Apple Vision Pro
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Check watchOS versionOn Apple Watch, open the Settings app on the paired iPhone, go to General > About, or check directly on Watch via Settings > General > About > Version.Affected if Installed version is below 10.5 on Apple Watch
A user is affected if any Apple device in their environment runs an OS version that falls within the specified vulnerable ranges for iOS, iPadOS, macOS, tvOS, visionOS, or watchOS.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
dbcve · scoped1.310.512.7.6
Apply the vendor-supplied patches by updating all affected devices to iOS 17.5/iPadOS 17.5, macOS 12.7.6/13.6.8/14.5, tvOS 17.5, visionOS 1.3, or watchOS 10.5 respectively. Organizations should inventory Apple devices and deploy updates through their MDM or patch management infrastructure.
iOS 17.5, iPadOS 17.5, macOS Monterey 12.7.6, macOS Ventura 13.6.8, macOS Sonoma 14.5, tvOS 17.5, visionOS 1.3, watchOS 10.5
- For iPhone and iPad: Go to Settings > General > Software Update and upgrade to iOS/iPadOS 17.5
- For Mac: Open System Settings > General > Software Update and upgrade to macOS 12.7.6 (Monterey), 13.6.8 (Ventura), or 14.5 (Sonoma) depending on your current macOS version
- For Apple TV: Go to Settings > General > Privacy and Security > Software Update and upgrade to tvOS 17.5
- For Apple Vision Pro: Go to Settings > General > Software Update and upgrade to visionOS 1.3
- For Apple Watch: On your iPhone, open the Watch app, go to My Watch > General > Software Update and upgrade to watchOS 10.5
- After updating, verify the system is running the fixed version via Settings > General > About
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation4.0 h
- Implementation8.0 h
- Testing4.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-27826 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sources- support.apple.com
- support.apple.com
- support.apple.com
- support.apple.com
- support.apple.com
- support.apple.com
- support.apple.com
- support.apple.com
- support.apple.com
- support.apple.com
- support.apple.com
- seclists.org
- seclists.org
- seclists.org
- support.apple.com
- support.apple.com
- support.apple.com
- support.apple.com
- support.apple.com
- support.apple.com
- support.apple.com
- support.apple.com
- support.apple.com
- support.apple.com
- nvd.nist.gov
Practitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2024-27826 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
- No spam, self-promotion, credentials, or personal data