VDB-345676 · CVE-2026-20673 · GCVE-0-2026-20673

Apple macOS/iOS/iPadOS up to 26.2 Mail Preview information disclosure

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.9	$5k-$25k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Apple macOS, iOS and iPadOS up to 26.2. Affected by this issue is some unknown functionality of the component Mail Preview. Executing a manipulation can lead to information disclosure. This vulnerability is handled as CVE-2026-20673. The attack can be executed remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Apple macOS, iOS and iPadOS up to 26.2 and classified as problematic. This vulnerability affects some unknown functionality of the component Mail Preview. 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. CVE summarizes:

A logic issue was addressed with improved checks. This issue is fixed in macOS Sequoia 15.7.4, iOS 18.7.5 and iPadOS 18.7.5, macOS Tahoe 26.3, macOS Sonoma 14.8.4. Turning off "Load remote content in messages” may not apply to all mail previews.

The advisory is shared for download at support.apple.com. This vulnerability was named CVE-2026-20673 since 11/11/2025. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. 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 $5k-$25k (estimation calculated on 02/14/2026). The MITRE ATT&CK project declares the attack technique as T1592.

Upgrading to version 26.3 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Smartphone Operating System

Vendor

Apple

Name

Version

License

commercial

Website

Vendor: https://www.apple.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 4.9

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔒

ADP CISA Base Score: 5.3
ADP CISA Vector: 🔒

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: macOS/iOS/iPadOS 26.3

Timelineinfo

11/11/2025 CVE reserved
02/12/2026 +93 days Advisory disclosed
02/12/2026 +0 days VulDB entry created
02/14/2026 +2 days VulDB entry last update

Sourcesinfo

Vendor: apple.com

Advisory: support.apple.com
Status: Confirmed

CVE: CVE-2026-20673 (🔒)
GCVE (CVE): GCVE-0-2026-20673
GCVE (VulDB): GCVE-100-345676
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 02/12/2026 06:28
Updated: 02/14/2026 11:15
Changes: 02/12/2026 06:28 (57), 02/13/2026 07:34 (11), 02/14/2026 11:15 (11)
Complete: 🔍
Cache ID: 216::103