How severe is CVE-2026-84561?

CVE-2026-84561 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-84561 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-84561?

CVE-2026-84561 primarily affects Apple Ipados. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-84561?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2026-84561 published?

CVE-2026-84561 was published on 2026-09-14 and last updated on 2026-09-16.

CVE-2026-84561

CVE-2026-84561 is a critical-severity vulnerability in Apple Ipados with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-415.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-415
Affected product: Apple Ipados
Published: 2026-09-14
Last modified: 2026-09-16

Description

A double free issue was addressed with improved memory management. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, watchOS 27. An app may be able to cause unexpected system termination or corrupt kernel memory.

Frequently asked questions

What is CVE-2026-84561?: A double free issue was addressed with improved memory management. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, watchOS 27. An app may be able to cause unexpected system termination or corrupt kernel memory.
How severe is CVE-2026-84561?: CVE-2026-84561 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-84561 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-84561?: CVE-2026-84561 primarily affects Apple Ipados. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-84561?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2026-84561 published?: CVE-2026-84561 was published on 2026-09-14 and last updated on 2026-09-16.

References

Affected products (6)

cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

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Other CWE-415 (Double Free) vulnerabilities

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CVE-2026-77493 — Critical (CVSS 9.8): Double free in Microsoft Graphics Component allows an unauthorized attacker to execute code over a network.
CVE-2026-64387 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: smb: client: fix query directory replay…
CVE-2026-64386 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: smb: client: fix query_info() replay…
CVE-2026-64385 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: smb: client: fix double-free in SMB2_ioctl()…
CVE-2026-64384 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: smb: client: fix change notify replay…

Browse all CWE-415 (Double Free) vulnerabilities →