Apple macOS up to 15.8.1/26.7.1/27.1 integer overflow

CVSS Meta Temp Score
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CTI Interest Score
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3.4$0-$5k1.53

Summaryinfo

A vulnerability classified as problematic was found in Apple macOS up to 15.8.1/26.7.1/27.1. This affects an unknown part. Such manipulation leads to integer overflow. This vulnerability is uniquely identified as CVE-2026-112519. The attack can be launched remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Apple macOS up to 15.8.1/26.7.1/27.1. Affected by this issue is an unknown function. The manipulation with an unknown input leads to a integer overflow vulnerability. Using CWE to declare the problem leads to CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. Impacted is availability. CVE summarizes:

An integer overflow was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. Connecting to a malicious VNC server may cause a denial-of-service.

The advisory is shared for download at support.apple.com. This vulnerability is handled as CVE-2026-112519 since 10/19/2026. The exploitation is known to be easy. The attack may be launched remotely. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/26/2026).

Upgrading to version 15.8.2, 26.7.2 or 27.2 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

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Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: macOS 15.8.2/26.7.2/27.2

Timelineinfo

10/19/2026 CVE reserved
10/26/2026 +7 days Advisory disclosed
10/26/2026 +0 days VulDB entry created
10/26/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: apple.com

Advisory: support.apple.com
Status: Confirmed

CVE: CVE-2026-112519 (🔒)
GCVE (CVE): GCVE-0-2026-112519
GCVE (VulDB): GCVE-100-426692
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 10/26/2026 22:18
Changes: 10/26/2026 22:18 (55)
Complete: 🔍
Cache ID: 216::103

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