Security readout for executives and security teams
Plain-English summary
A malicious InDesign file could take control of the application when opened, potentially exposing or altering data and disrupting the user’s device. The attacker’s code would run with the victim’s account privileges. Opening a crafted file is required.
Executive priority
Treat as a high-priority workstation update, especially in creative, publishing, and marketing teams handling third-party files. It is not documented as actively exploited, but successful exploitation could compromise data and endpoint integrity.
Technical view
CVE-2026-27283 is a use-after-free vulnerability in Adobe InDesign Desktop 20.5.2, 21.2, and earlier. It may enable arbitrary code execution as the current user. CVSS 3.1 rates it 7.8 high, with local attack vector, low complexity, no required privileges, and required user interaction.
Likely exposure
Exposure is most likely on workstations running affected InDesign versions, particularly where users open externally supplied or otherwise untrusted design files. Accounts with elevated privileges could increase business impact. The bundle does not identify affected operating systems or deployment configurations.
Exploitation context
Exploitation requires a victim to open a malicious file. The bundle marks this CVE as absent from KEV and provides no cited evidence of active exploitation. It does not document exploit availability, observed attacks, or delivery methods.
Researcher notes
The stated affected versions are 20.5.2, 21.2, and earlier. The structured affected-version array is ambiguous, so fixed-version conclusions should be verified against Adobe APSB26-32. No operating-system scope, technical root-cause detail beyond CWE-416, public exploit evidence, or detection indicators are supplied.
Mitigation direction
- Check Adobe advisory APSB26-32 for approved update versions and deployment instructions.
- Update affected InDesign installations according to Adobe’s guidance.
- Restrict opening unexpected or untrusted InDesign files until remediation is complete.
- Prioritize systems used by privileged users or staff receiving external design files.
Validation and detection
- Inventory installed InDesign versions across managed endpoints.
- Confirm no installations remain on versions 20.5.2, 21.2, or earlier.
- Verify deployed versions against Adobe advisory APSB26-32.
- Review endpoint alerts involving InDesign and suspicious files or child processes.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-416: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-27283 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H1.85.9adobeVulnerability scoring details
Base CVSS 3.1 score
7.8HighVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://helpx.adobe.com/security/products/indesign/apsb26-32.htmlCVE reference, adobe · vendor-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Use After Free
Use After Free represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.