Follina — Microsoft Windows 10 1507 Vulnerability
CVE-2022-30190
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.992 (99.9th percentile), scored .
Very high probability of exploitation in the next 30 days — among the top 0.1% most-likely-to-be-exploited CVEs. 100th percentile — 99.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.992 · newest: 0.992 · change: -0.001
Affected products
- Microsoft Windows 10 1507
- Microsoft Windows 10 1607
- Microsoft Windows 10 1809
- Microsoft Windows 10 20h2
- Microsoft Windows 10 21h1
- Microsoft Windows 10 21h2
- Microsoft Windows 10 Version 1507 — versions 10.0.10240.0
- Microsoft Windows 10 Version 1607 — versions 10.0.14393.0
- Microsoft Windows 10 Version 1809 — versions 10.0.17763.0, 10.0.0
- Microsoft Windows 10 Version 20h2 — versions 10.0.0
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Known ransomware campaign use: yes.
Public proof-of-concept exploits
References
- msrc.microsoft.com/update-guide/vulnerability/CVE-2022-30190 (vendor-advisory, Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (Exploit, Third Party Advisory, VDB Entry)
- af854a3a-2127-422b-91ae-364da2661108 (Patch, Vendor Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2022-30190?
- CVE-2022-30190 is a high-severity vulnerability in Microsoft Windows 10 1507. CVSS score: 7.8/10. Published 2022-06-01.
- How severe is CVE-2022-30190?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2022-30190 known to be exploited?
- Yes. CVE-2022-30190 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-06-14), indicating it is being actively exploited. 270 public proof-of-concept repositories are indexed.