Adobe Acrobat: Access of Resource Using Incompatible Type
CVE-2026-80161 is a high-severity access of resource using incompatible type vulnerability in Adobe Acrobat from Adobe, with a CVSS 3.1 base score of 7.8 out of 10. It can be exploited with local access to the system by an unauthenticated attacker, but only if a user takes part, for example by opening a link or file. Affected Adobe Acrobat versions: 26.002.21900 and earlier. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.29% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Update Acrobat to 24.001.30429 or a later version.
- Update Acrobat Dc to 26.002.21901 or a later version.
- Update Acrobat Reader Dc to 26.002.21901 or a later version.
- Read the advisory on helpx.adobe.com for workarounds and exact fixed builds.
- Because the attack needs a user to take part, warn users about unexpected links and files related to this product until it is patched.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Adobe | Adobe Acrobat | 26.002.21900 and earlier | Not stated |
| Adobe | Acrobat Reader | 26.002.21900 and earlier | Not stated |
| Adobe | Acrobat 2024 | 24.001.30383 and earlier | Not stated |
| Adobe | Acrobat | 24.001.20604 up to, but not including, 24.001.30429 | 24.001.30429 |
| Adobe | Acrobat Dc | 15.008.20082 up to, but not including, 26.002.21901 | 26.002.21901 |
| Adobe | Acrobat Reader Dc | 15.008.20082 up to, but not including, 26.002.21901 | 26.002.21901 |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- LocalThe attacker needs local access or must trick a user into running something.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- NoneNo account or login is needed.
- User interaction
- RequiredA user must take an action such as opening a file or link.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- HighData or code can be modified at will.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. Scored by CNA (adobe.com).
Official description
Acrobat Reader is affected by an Access of Resource Using Incompatible Type ('Type Confusion') vulnerability that could result in arbitrary code execution in the context of the current user. An attacker could exploit this vulnerability to execute arbitrary code. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Access of Resource Using Incompatible Type
The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.
More Access of Resource Using Incompatible Type vulnerabilities (CWE-843)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).
- Record last changed materially (score, affected products, status or references).
References
Other vulnerabilities in Adobe Acrobat
- 8.8 High severity
- 7.8 High severity
- 7.8 High severity
- 7.8 High severity
- 7.8 High severity
- 7.8 High severity
Recent Access of Resource Using Incompatible Type vulnerabilities
- 8.8 High severity
- 8.8 High severity
Google Chromium V8 Type Confusion Exploited
- 8.8 High severity
- 7.1 High severity
- 8.8 High severity
- 8.8 High severity
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