CVE-2022-30190 Follina

A remote code execution vulnerability exists when MSDT is called using the URL protocol from a calling application such as Word. An attacker who…

Browse: All 2022 CVEs · All vendors

CVSS score: 7.8 High
CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA KEV: Yes — actively exploited (added 2022-06-14, remediation due 2022-07-05)
Ransomware: Known ransomware campaign use
Weakness (CWE): CWE-610
Published: 2022-06-01
Last modified: 2026-08-06
NVD status: Analyzed

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.

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 11 21h2
microsoft windows 7
microsoft windows 8.1
microsoft windows rt 8.1
microsoft windows server 2008
microsoft windows server 2012

Affected ranges per NVD CPE data; confirm exact versions in the vendor advisory.

Required action (CISA)

Apply updates per vendor instructions. Federal remediation deadline: 2022-07-05.

How to prioritize this

This vulnerability is on the CISA KEV list, meaning it is being actively exploited — treat it as urgent regardless of the raw CVSS number. Use the live CVE lookup for the latest NVD data, and the CVSS 3.1 calculator to model your own environmental score.

References

FAQ

Is CVE-2022-30190 actively exploited?

Yes. CISA added CVE-2022-30190 to its Known Exploited Vulnerabilities (KEV) catalog on 2022-06-14, with a federal remediation deadline of 2022-07-05. A KEV listing means real-world exploitation is confirmed, so patching this should be prioritized above many higher-CVSS bugs that aren't being exploited.

What is the CVSS score of CVE-2022-30190?

CVE-2022-30190 has a CVSS base score of 7.8 (High). Its vector string is CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Related vulnerabilities

Data source: NVD & CISA KEV. Shown as-is; nothing added. Last generated from NVD data — re-check the live tool for updates.