Apple macOS/watchOS/visionOS/iOS/iPadOS/tvOS up to 26.2 App memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.4$5k-$25k0.00

Summaryinfo

A vulnerability was found in Apple macOS, watchOS, visionOS, iOS, iPadOS and tvOS up to 26.2. It has been declared as critical. This vulnerability affects unknown code of the component App. Such manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2026-20654. Local access is required to approach this attack. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple macOS, watchOS, visionOS, iOS, iPadOS and tvOS up to 26.2 and classified as critical. Affected by this issue is some unknown processing of the component App. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is availability. CVE summarizes:

The issue was addressed with improved memory handling. This issue is fixed in watchOS 26.3, tvOS 26.3, macOS Tahoe 26.3, visionOS 26.3, iOS 26.3 and iPadOS 26.3. An app may be able to cause unexpected system termination.

The advisory is available at support.apple.com. This vulnerability is handled as CVE-2026-20654 since 11/11/2025. The exploitation is known to be easy. Local access is required to approach this attack. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 02/19/2026).

Upgrading to version 26.3 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔒

ADP CISA Base Score: 5.5
ADP CISA Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

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/watchOS/visionOS/iOS/iPadOS/tvOS 26.3

Timelineinfo

11/11/2025 CVE reserved
02/12/2026 +93 days Advisory disclosed
02/12/2026 +0 days VulDB entry created
02/19/2026 +7 days VulDB entry last update

Sourcesinfo

Vendor: apple.com

Advisory: support.apple.com
Status: Confirmed

CVE: CVE-2026-20654 (🔒)
GCVE (CVE): GCVE-0-2026-20654
GCVE (VulDB): GCVE-100-345722
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 02/12/2026 06:53
Updated: 02/19/2026 03:40
Changes: 02/12/2026 06:53 (57), 02/14/2026 10:31 (10), 02/19/2026 03:40 (9)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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