CVE-2022-30190
HighExploitedPublic exploitA remote code execution vulnerability exists when MSDT is called using the URL protocol from a calling application such as Word.
Published Jun 23, 2022 · Updated Aug 6, 2026 · Also known as Follina, TR-22-0391, TR-22-0418
Key Facts
Patch immediately- CVE-2022-30190 is a high-severity vulnerability (CVSS 7.8 v3.1) affecting Windows 10 1507 (Microsoft), Windows 10 1607 (Microsoft), Windows 10 1809 (Microsoft) and 22 more products.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since May 30, 2022 and is known to be used in ransomware campaigns. Public exploit code is available.
- EPSS estimates a 99% probability of exploitation in the next 30 days.
- Fixed versions are available, including Windows 10 1507 10.0.10240.19325, Windows 10 1607 10.0.14393.5192, Windows 10 1809 10.0.17763.3046.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
7.8
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
99%
Higher than 99.9% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings, used by ransomware
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2022-30190 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Jun 14, 2022 | Jul 5, 2022 | Known |
| Industry KEV feed | May 30, 2022 | Jul 5, 2022 | Known |
| CIRCL KEV | Jun 14, 2022 | Jul 5, 2022 | Known |
| ENISA EUVD | Jun 14, 2022 | n/a | Not reported |
Required action: Apply updates per vendor instructions.
Affected Products
39 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Windows 10 1507Microsoft | See advisory | 10.0.10240.19325 |
| Windows 10 1607Microsoft | See advisory | 10.0.14393.5192 |
| Windows 10 1809Microsoft | See advisory | 10.0.17763.3046 |
| Windows 10 20h2Microsoft | See advisory | 10.0.19042.1766 |
| Windows 10 21h1Microsoft | See advisory | 10.0.19043.1766 |
Patched Releases
Windows 10 1507
10.0.10240.19325
Windows 10 1607
10.0.14393.5192
Windows 10 1809
10.0.17763.3046
Windows 10 20h2
10.0.19042.1766
Windows 10 21h1
10.0.19043.1766
Windows 10 21h2
10.0.19044.1766
Windows 11 21h2
10.0.22000.739
Windows Server 2016
10.0.14393.5192
Windows Server 2019
10.0.17763.3046
Windows Server 2022
10.0.20348.770
Windows Server 20h2
10.0.19042.1766
Windows 10 Version 1507
10.0.10240.19325
Windows 10 Version 1607
10.0.14393.5192
Windows 10 Version 1809
10.0.17763.3046
Windows 10 Version 20H2
10.0.19042.1766
Windows 10 Version 21H1
10.0.19043.1766
Windows 10 Version 21H2
10.0.19044.1766
Windows 11 version 21H2
10.0.22000.739
Windows 7
6.1.7601.25984
Windows 7 Service Pack 1
6.1.7601.25984
Windows 8.1
6.3.9600.20402
Windows Server 2008 R2 Service Pack 1
6.1.7601.25984
Windows Server 2008 R2 Service Pack 1 (Server Core installation)
6.1.7601.25984
Windows Server 2012
6.2.9200.23736
Windows Server 2012 (Server Core installation)
6.2.9200.23736
Timeline
Added to Industry KEV feed
May 30, 2022
Added to CISA KEV
Jun 14, 2022
Added to CIRCL KEV
Jun 14, 2022
Added to ENISA EUVD
Jun 14, 2022
Publicly disclosed
Jun 23, 2022
Last updated
Aug 6, 2026
References
- advisoryhttp://fortiguard.fortinet.com/psirt/FG-IR-21-024
- advisoryhttp://fortiguard.fortinet.com/psirt/FG-IR-22-109
- advisoryhttps://cxsecurity.com/issue/WLB-2022060034
- advisoryhttps://doublepulsar.com/follina-a-microsoft-office-code-execution-vulnerability-1a47fce5629e
- advisoryhttps://gadgets360.com/apps/news/microsoft-office-zero-day-vulnerability-follina-researchers-word-attack-3025006#rss-gadgets-news
FAQ
Common Questions.
A remote code execution vulnerability exists when MSDT is called using the URL protocol from a calling application such as Word.
Affected: Windows 10 1507 (Microsoft); Windows 10 1607 (Microsoft); Windows 10 1809 (Microsoft), among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since May 30, 2022 and is known to be used in ransomware campaigns.
Yes. It was added on Jun 14, 2022 with a federal remediation due date of Jul 5, 2022.
Public exploit code is available.
Fixed versions are available, including Windows 10 1507 10.0.10240.19325, Windows 10 1607 10.0.14393.5192, Windows 10 1809 10.0.17763.3046.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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