CVE-2025-9275: Oxford Instruments Imaris Viewer · Out-of-bounds Write
Affects Oxford Instruments Imaris ViewerSource CVE Database V5
Not known to be exploited · CVSS 7.8 High.
Data as of 26 Oct 2026, 14:05 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 12% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 2 Sep 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Oxford Instruments Imaris Viewer | Affected
| Fixed in– |
AI-suggested
European organizations should implement targeted mitigations beyond generic advice: 1) Restrict and monitor the use of IMS files from untrusted sources; implement strict file validation and sandboxing where possible. 2) Educate users on the risks of opening unsolicited or suspicious IMS files and visiting untrusted websites, emphasizing the need for caution with email attachments and downloads. 3) Employ application whitelisting and endpoint detection and response (EDR) solutions to detect anomalous behavior indicative of exploitation attempts. 4) Use network segmentation to isolate systems running Imaris Viewer, limiting potential lateral movement. 5) Regularly back up critical data and verify backup integrity to enable recovery in case of compromise. 6) Monitor vendor communications closely for patches or updates and prioritize prompt deployment once available. 7) Consider deploying file integrity monitoring on systems running Imaris Viewer to detect unauthorized changes. 8) Implement strict privilege management to minimize the impact of a compromised user context.
Description
Oxford Instruments Imaris Viewer IMS File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Oxford Instruments Imaris Viewer. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of IMS files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated data structure. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-21655.