CVE-2026-27238 | Adobe InDesign Desktop up to 20.5.2/21.2 File heap-based overflow (apsb26-32)

VDB-357552 · CVE-2026-27238 · APSB26-32 ADOBE INDESIGN DESKTOP UP TO 20.5.2/21.2 FILE HEAP-BASED OVERFLOW HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 6.9 $0-$5k 0.80+ Summaryinfo A vulnerability was found in Adobe InDesign Desktop up to 20.5.2/21.2. It has been declared as critical. This affects an unknown function of the component File Handler. The manipulation results in heap-based overflow. This vulnerability is reported as CVE-2026-27238. The attack can be launched remotely. No exploit exists. It is recommended to upgrade the affected component. Detailsinfo A vulnerability classified as critical has been found in Adobe InDesign Desktop up to 20.5.2/21.2. Affected is some unknown processing of the component File Handler. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes: InDesign Desktop versions 20.5.2, 21.2 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file. The advisory is shared for download at helpx.adobe.com. This vulnerability is traded as CVE-2026-27238 since 02/18/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. 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 04/14/2026). Upgrading eliminates this vulnerability. Productinfo Type Image Processing Software Vendor Adobe Name InDesign Desktop Version 20.5.0 20.5.1 20.5.2 21.0 21.1 21.2 License commercial Website Vendor: https://www.adobe.com/ CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 7.0 VulDB Meta Temp Score: 6.9 VulDB Base Score: 6.3 VulDB Temp Score: 6.0 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 7.8 CNA Vector (adobe): 🔒 CVSSv2info 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: Heap-based overflow CWE: CWE-122 / CWE-119 CAPEC: 🔒 ATT&CK: 🔒 Physical: Partially Local: Yes Remote: Yes Availability: 🔒 Status: Not defined 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: 🔒 Timelineinfo 02/18/2026 CVE reserved 04/14/2026 +54 days Advisory disclosed 04/14/2026 +0 days VulDB entry created 04/14/2026 +0 days VulDB entry last update Sourcesinfo Vendor: adobe.com Advisory: apsb26-32 Status: Confirmed CVE: CVE-2026-27238 (🔒) GCVE (CVE): GCVE-0-2026-27238 GCVE (VulDB): GCVE-100-357552 Entryinfo Created: 04/14/2026 21:16 Changes: 04/14/2026 21:16 (65) Complete: 🔍 Cache ID: 99:6C5:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸