Is CVE-2024-27831 in the CISA KEV catalog?

No. CVE-2024-27831 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-27831?

CVE-2024-27831 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2024-27831?

CVE-2024-27831 has an EPSS score of 0.30% (22th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-27831?

Upgrade ipados to 17.5 or later. Fixes are available for 5 affected products.

CVE & CISA-KEV Catalog

CVE-2024-27831

HIGH

7.8

CVSS v3

NVD

Description

An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in iOS 16.7.8 and iPadOS 16.7.8, iOS 17.5 and iPadOS 17.5, macOS Monterey 12.7.5, macOS Sonoma 14.5, macOS Ventura 13.6.7, tvOS 17.5, visionOS 1.2. Processing a file may lead to unexpected app termination or arbitrary code execution.

CWE-787Out-of-bounds Write CWE-786

How to fix

Remediation Available

ipadosNVD

Affected:>= 17.0, < 17.5Fixed in:17.5CVE-2024-27831derived from NVD

iphone osNVD

Affected:>= 17.0, < 17.5Fixed in:17.5CVE-2024-27831derived from NVD

macosNVD

Affected:>= 14.0, < 14.5Fixed in:14.5CVE-2024-27831derived from NVD

tvosNVD

Affected:< 17.5Fixed in:17.5CVE-2024-27831derived from NVD

visionosNVD

Affected:< 1.2Fixed in:1.2CVE-2024-27831derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

0.30%probability of exploitation in 30 days

22ndpercentile

Low risk: more likely to be exploited than 22% of all known CVEs.

References

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Markdown

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-02.