CVE-2026-27287 | Adobe InCopy up to 20.5.2/21.2 File Parser out-of-bounds (apsb26-33)

VDB-357599 · CVE-2026-27287 · APSB26-33 ADOBE INCOPY UP TO 20.5.2/21.2 FILE PARSER OUT-OF-BOUNDS HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 6.9 $0-$5k 2.20+ Summaryinfo A vulnerability marked as critical has been reported in Adobe InCopy up to 20.5.2/21.2. Affected by this vulnerability is an unknown functionality of the component File Parser. The manipulation leads to out-of-bounds. This vulnerability is traded as CVE-2026-27287. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to upgrade the affected component. Detailsinfo A vulnerability, which was classified as critical, has been found in Adobe InCopy up to 20.5.2/21.2. This issue affects an unknown code of the component File Parser. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is: InCopy versions 20.5.2, 21.2 and earlier are affected by an out-of-bounds read vulnerability when parsing a crafted file, which could result in a read past the end of an allocated memory structure. An attacker could leverage this vulnerability to execute code in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file. It is possible to read the advisory at helpx.adobe.com. The identification of this vulnerability is CVE-2026-27287 since 02/18/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. Upgrading eliminates this vulnerability. Productinfo Vendor Adobe Name InCopy 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: Out-of-bounds CWE: CWE-125 / 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: apsb26-33 Status: Confirmed CVE: CVE-2026-27287 (🔒) GCVE (CVE): GCVE-0-2026-27287 GCVE (VulDB): GCVE-100-357599 Entryinfo Created: 04/14/2026 23:57 Changes: 04/14/2026 23:57 (64) Complete: 🔍 Cache ID: 99:92A:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸