Apple macOS up to 26.2 App information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple macOS up to 26.2. It has been classified as problematic. This affects an unknown part of the component App. This manipulation causes information disclosure. This vulnerability is handled as CVE-2026-20648. It is possible to launch the attack on the local host. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Apple macOS up to 26.2 and classified as problematic. Affected by this vulnerability is an unknown code block of the component App. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

A privacy issue was addressed by moving sensitive data to a protected location. This issue is fixed in macOS Tahoe 26.3. A malicious app may be able to access notifications from other iCloud devices.

The advisory is shared at support.apple.com. This vulnerability is known as CVE-2026-20648 since 11/11/2025. The exploitation appears to be easy. An attack has to be approached locally. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

Upgrading to version 26.3 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
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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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

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 26.3

Timelineinfo

11/11/2025 CVE reserved
02/12/2026 +93 days Advisory disclosed
02/12/2026 +0 days VulDB entry created
02/13/2026 +1 days VulDB entry last update

Sourcesinfo

Vendor: apple.com

Advisory: support.apple.com
Status: Confirmed

CVE: CVE-2026-20648 (🔒)
GCVE (CVE): GCVE-0-2026-20648
GCVE (VulDB): GCVE-100-345721
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 02/12/2026 06:53
Updated: 02/13/2026 16:03
Changes: 02/12/2026 06:53 (57), 02/13/2026 05:06 (11), 02/13/2026 16:03 (11)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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