Security readout for executives and security teams
Plain-English summary
A malicious file opened in vulnerable Adobe Bridge can corrupt memory and potentially let an attacker run code with the victim’s account permissions. Successful exploitation requires the user to open the file, but the resulting compromise could expose data, alter files, or disrupt the workstation.
Executive priority
Prioritize remediation in the normal high-severity patch cycle, accelerating systems used for external content or holding sensitive data. User interaction reduces immediacy, but possible code execution with high confidentiality, integrity, and availability impact makes prolonged exposure inappropriate.
Technical view
CVE-2026-27311 is a heap-based buffer overflow in Adobe Bridge 16.0.2, 15.1.4, and earlier. It has CVSS 3.1 score 7.8 with local attack vector, low complexity, no required privileges, required user interaction, unchanged scope, and high confidentiality, integrity, and availability impacts.
Likely exposure
Exposure is concentrated on endpoints running the affected Adobe Bridge releases, particularly where users open files from untrusted or external sources. Because code executes as the current user, consequences increase when Bridge runs under an account with elevated privileges or broad data access.
Exploitation context
The source bundle marks this CVE as absent from KEV and provides no cited evidence of active exploitation. Exploitation requires convincing a victim to open a malicious file in Bridge; it is not described as remotely exploitable without user interaction.
Researcher notes
The authoritative description identifies 16.0.2, 15.1.4, and earlier as affected. The structured version array is ambiguous and should not independently establish whether 16.0.3 or 15.1.5 are vulnerable. Confirm branch-specific fixed versions in Adobe APSB26-39. No exploit method or active exploitation evidence is provided.
Mitigation direction
- Update Adobe Bridge according to Adobe advisory APSB26-39, prioritizing versions 16.0.2, 15.1.4, and earlier.
- Until updated, prevent affected Bridge installations from opening untrusted or externally supplied files.
- Remind users to verify unexpected files before opening them in Adobe Bridge.
- Limit user privileges and monitor affected endpoints for unusual child processes or file changes.
Validation and detection
- Inventory installed Adobe Bridge versions across managed endpoints.
- Identify systems running version 16.0.2, 15.1.4, or earlier.
- Confirm updated installations against the branch-specific release identified by Adobe APSB26-39.
- Review endpoint telemetry for suspicious activity associated with Bridge opening externally sourced files.
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
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CWE-122: Exact CWE lookup
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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-2026-27311 mapping review
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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/bridge/apsb26-39.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.
Heap-based Buffer Overflow
Heap-based Buffer Overflow represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.