Adobe Connect | Incorrect Authorization (CWE-863)
Affects Adobe Connect 12.12 and earlier on Windows. Adobe's checked facts list no vendor severity and no fixed version, so the fix status is unconfirmed.
Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.
- Exploited
- No known exploitation
- Fix
- No fix listed
- Who is exposed
- Not reported
Do first: Workaround: The checked facts give no workaround. Until a fix is available, limit access to affected Adobe Connect installations and watch Adobe's advisory for an update.
- Last modified
- Whether it needs action now or is a reference record, by fixed rules, with why. Last checked is when cve.now last re-read it.What do these mean? →
- Reference
- Last checked
- A 0-100 score for how much a CVE matters across the industry: exploitation, exposure, how widely the software is used, severity and whether a fix exists.What do these mean? →
- 31/100 · provisional
- How many real-world setups can hit the bug, from the vendor's advisory and CISA data. It does not know your setup.What do these mean? →
- Unclear
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
Adobe Connect contains an incorrect authorization flaw that lets an attacker gain elevated access to sensitive information or functionality. The bug can be reached remotely over the network, without logging in and without any user action.
Read the original description
Adobe Connect is affected by an Incorrect Authorization vulnerability that could result in privilege escalation. An attacker could exploit this vulnerability to gain elevated access to sensitive information or functionality. Exploitation of this issue does not require user interaction.
Who should check
Teams running Adobe Connect 12.12 and earlier on Windows
cve.now Index
- Exploitation?/40Unknown. No CISA SSVC exploitation rating yet
- Exposure17/25No login or user action needed, reachable over the network without a login · Unknown: Advisories don't say whether default setups are affected
- Reach?/20Unknown. No tracked technology or package matched
- Severity9.1/10CVSS 9.1
- No patch5/5No patch listed yet
What would change the score
- Would score about 76 if added to CISA KEV
- Would score about 71 if CISA's SSVC rates exploitation active
- Would score about 36 if advisories confirm default setups are exposed
What to do
Workaround: The checked facts give no workaround. Until a fix is available, limit access to affected Adobe Connect installations and watch Adobe's advisory for an update.
Check your systems with an agent
Paste this into a coding or ops agent. It checks your systems read-only and reports a table per asset.
Check whether my systems are affected by CVE-2026-121355 (Adobe Connect | Incorrect Authorization (CWE-863)), 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-2026-121355 (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, no login, no user action. CISA KEV: CVE-2026-121355 is not listed as of cve.now's last read. This KEV status is for CVE-2026-121355 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-2026-121355 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-2026-121355.
Timeline
- CVE published
- First seen by cve.now
- Posted on X by cve.now
Affected versions
- 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
Evidence 3
Vendor advisory · 1
Establishes: Affected and fixed versions.
- Advisory
CVE record · 2
Establishes: The identifier and description.
- Record
- Record
Corrections
None so far.
Something wrong on this page? Report an error. Every fix is listed here.
Questions about CVE-2026-121355
Is CVE-2026-121355 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: cve.now feed data
What does this mean?
The flaw is an incorrect authorization check (CWE-863). It can lead to privilege escalation, which gives an attacker elevated access to sensitive information or functionality.Source: adobe.com
Which versions are affected by CVE-2026-121355?
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: cve.now feed data
Am I affected, and how do I check?
The checked facts list Adobe Connect versions 12.12 and earlier, running on Windows. To compare an installation against this, check its installed Adobe Connect version and operating system.Source: adobe.com
How do I fix CVE-2026-121355?
The checked facts name no fixed version, so no upgrade target can be given from them. Check Adobe's advisory for the update that addresses this issue.Source: adobe.com
What if there's no patch?
The checked facts give no workaround. Until a fix is available, limit access to affected Adobe Connect installations and watch Adobe's advisory for an update.Source: adobe.com