Apple macOS up to 13.2.1 CommCenter out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Apple macOS up to 13.2.1. Affected by this issue is some unknown functionality of the component CommCenter. This manipulation causes out-of-bounds write. This vulnerability is handled as CVE-2023-27936. It is possible to launch the attack on the local host. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Apple macOS up to 13.2.1 (Operating System) and classified as critical. Affected by this vulnerability is some unknown functionality of the component CommCenter. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 03/27/2023 by Tingting Yin as HT213670 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is known as CVE-2023-27936. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/29/2025). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:

An app may be able to cause unexpected system termination or write kernel memory

Upgrading to version 13.3 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

An out-of-bounds write issue was addressed with improved input validation.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-31662). 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: 7.8
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / 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: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: macOS 13.3

Timelineinfo

03/08/2023 🔍
03/27/2023 +18 days 🔍
03/27/2023 +0 days 🔍
03/29/2023 +2 days 🔍
11/29/2025 +976 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT213670
Researcher: Tingting Yin
Status: Confirmed

CVE: CVE-2023-27936 (🔍)
GCVE (CVE): GCVE-0-2023-27936
GCVE (VulDB): GCVE-100-224401
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 03/29/2023 15:04
Updated: 11/29/2025 04:59
Changes: 03/29/2023 15:04 (19), 03/29/2023 15:07 (28), 04/19/2023 10:26 (1), 11/29/2025 04:59 (16)
Complete: 🔍
Cache ID: 216::103

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

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