CVE-2022-30190: Follina
Is CVE-2022-30190 real, exploitable, or a false positive? Here's the community verdict.
signals
public sources
Confirmed exploited in the wild. Patch this first, regardless of the base score.
public exploits
links to sources — we don’t host codeA working exploit is publicly available from a maintained source. Treat this as higher urgency and verify your exposure.
baseline read
auto · not a community verdict
Real — exploited in the wild
CISA confirms active exploitation. Treat scanner hits as true positives unless your specific version or config is unaffected.
Based on CISA KEV
Confirm or dispute →CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
A remote code execution vulnerability exists when MSDT is called using the URL protocol from a calling application such as Word. An attacker who successfully exploits this vulnerability can run arbitrary code with the privileges of the calling application. The attacker can then install programs, view, change, or delete data, or create new accounts in the context allowed by the user’s rights. Please see the MSRC Blog Entry for important information about steps you can take to protect your system from this vulnerability.
References
Published
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In your experience, is this finding real and exploitable?
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Field notes & remediation
Verdicts are the quick signal. Notes are the evidence and fixes behind them.
- 0
This lets an Office document run code by abusing the ms-msdt: URI to launch the Microsoft Support Diagnostic Tool. What made it dangerous for phishing is that it can fire from the preview pane and does not need macros, so the user does not even have to enable content.
Who is affected: Windows systems opening Office documents before the June 2022 fix.
How to check: confirm the June 2022 cumulative update is installed. Note that some document formats could trigger this through the preview pane alone.
Commonly flagged by: Nessus, Qualys, Microsoft Defender.
- 0
Install the June 2022 cumulative update, which fixed this. Before that patch, the mitigation was to back up and delete the ms-msdt URL handler from the registry. Where you do not need the diagnostic troubleshooters, you can disable that access by policy. Keep user awareness up for phishing.
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