CVE-2022-30190 — Microsoft Windows Support Diagnostic Tool (MSDT) Remote Code Execution Vulnerability

Executive Summary

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.

Overview

7.8

CVSS HIGH

Important

MS Severity

Exploited

MS Exploit Status

Exploitation Detected

MS Exploit Likelihood

Category Remote Code Execution

Released May 10 2022

Last Updated May 10 2022

Publicly Disclosed Yes

CISA KEV Listed (added 2022-06-14)

Known Exploits None Known

EPSS Score 0.99374 — 0.99937 percentile

NVD CVSS 7.8 HIGH — matches MSRC

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C

ATTACK VECTOR

Local

ATTACK COMPLEXITY

Low

PRIVILEGES REQUIRED

None

USER INTERACTION

Required

SCOPE

Unchanged

CONFIDENTIALITY

High

INTEGRITY

High

AVAILABILITY

High

EXPLOIT CODE MATURITY

Proof-of-Concept

REMEDIATION LEVEL

Official Fix

REPORT CONFIDENCE

Confirmed

Temporal Score: 7.0

EPSS Score

0.99374

probability of exploitation in the next 30 days

0.99937 percentile - updated 2026-08-14

View on FIRST.org

Affected Products

25 affected products

Product	KB Article	Severity	Impact	Restart Required
Windows 10 for 32-bit Systems	`5014710 (Security Update)`	Important	Remote Code Execution	Yes
Windows 10 for x64-based Systems	`5014710 (Security Update)`	Important	Remote Code Execution	Yes
Windows 10 Version 1607 for 32-bit Systems	`5014702 (Security Update)`	Important	Remote Code Execution	Yes
Windows 10 Version 1607 for x64-based Systems	`5014702 (Security Update)`	Important	Remote Code Execution	Yes
Windows 10 Version 1809 for 32-bit Systems	`5014692 (Security Update)`	Important	Remote Code Execution	Yes
Windows 10 Version 1809 for ARM64-based Systems	`5014692 (Security Update)`	Important	Remote Code Execution	Yes
Windows 10 Version 1809 for x64-based Systems	`5014692 (Security Update)`	Important	Remote Code Execution	Yes
Windows 10 Version 20H2 for 32-bit Systems	`5014699 (Security Update)`	Important	Remote Code Execution	Yes
Windows 10 Version 20H2 for ARM64-based Systems	`5014699 (Security Update)`	Important	Remote Code Execution	Yes
Windows 10 Version 21H1 for 32-bit Systems	`5014699 (Security Update)`	Important	Remote Code Execution	Yes
Windows 10 Version 21H1 for ARM64-based Systems	`5014699 (Security Update)`	Important	Remote Code Execution	Yes
Windows 10 Version 21H1 for x64-based Systems	`5014699 (Security Update)`	Important	Remote Code Execution	Yes
Windows 10 Version 21H2 for 32-bit Systems	`5014699 (Security Update)`	Important	Remote Code Execution	Yes
Windows 10 Version 21H2 for ARM64-based Systems	`5014699 (Security Update)`	Important	Remote Code Execution	Yes
Windows 10 Version 21H2 for x64-based Systems	`5014699 (Security Update)`	Important	Remote Code Execution	Yes
Windows 11 version 21H2 for ARM64-based Systems	`5014697 (Security Update)`	Important	Remote Code Execution	Yes
Windows 11 version 21H2 for x64-based Systems	`5014697 (Security Update)`	Important	Remote Code Execution	Yes
Windows 7 for 32-bit Systems Service Pack 1 5014748 (Monthly Rollup) 5014742 (Security Only) Important Remote Code Execution 5014012 Base: 7.8 Temporal: 7.0 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C 6.1.7601.25984 Yes 5014748 5014742 Windows 7 for x64-based Systems Service Pack 1 5014748 (Monthly Rollup) 5014742 (Security Only) Important Remote Code Execution 5014012 Base: 7.8 Temporal: 7.0 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C 6.1.7601.25984 Yes 5014748 5014742 Windows 8.1 for 32-bit systems 5014738 (Monthly Rollup) 5014746 (Security Only) Important Remote Code Execution 5014011 Base: 7.8 Temporal: 7.0 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C 6.3.9600.20402 Yes 5014738 5014746 Windows 8.1 for x64-based systems 5014738 (Monthly Rollup) 5014746 (Security Only) Important Remote Code Execution 5014011 Base: 7.8 Temporal: 7.0 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C 6.3.9600.20402 Yes 5014738 5014746 Windows RT 8.1	`5014738 (Monthly Rollup)`	Important	Remote Code Execution	Yes
Windows Server 2008 R2 for x64-based Systems Service Pack 1 5014748 (Monthly Rollup) 5014742 (Security Only) Important Remote Code Execution 5014012 Base: 7.8 Temporal: 7.0 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C 6.1.7601.25984 Yes 5014748 5014742 Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 5014748 (Monthly Rollup) 5014742 (Security Only) Important Remote Code Execution 5014012 Base: 7.8 Temporal: 7.0 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C 6.1.7601.25984 Yes 5014748 5014742 Windows Server 2012 5014747 (Monthly Rollup) 5014741 (Security Only) Important Remote Code Execution 5014017 Base: 7.8 Temporal: 7.0 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C 6.2.9200.23736 Yes 5014747 5014741 Windows Server 2012 (Server Core installation) 5014747 (Monthly Rollup) 5014741 (Security Only) Important Remote Code Execution 5014017 Base: 7.8 Temporal: 7.0 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C 6.2.9200.23736 Yes 5014747 5014741 Windows Server 2012 R2 5014738 (Monthly Rollup) 5014746 (Security Only) Important Remote Code Execution 5014011 Base: 7.8 Temporal: 7.0 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C 6.3.9600.20402 Yes 5014738 5014746 Windows Server 2012 R2 (Server Core installation) 5014738 (Monthly Rollup) 5014746 (Security Only) Important Remote Code Execution 5014011 Base: 7.8 Temporal: 7.0 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C 6.3.9600.20402 Yes 5014738 5014746 Windows Server 2016	`5014702 (Security Update)`	Important	Remote Code Execution	Yes
Windows Server 2016 (Server Core installation)	`5014702 (Security Update)`	Important	Remote Code Execution	Yes
Windows Server 2019	`5014692 (Security Update)`	Important	Remote Code Execution	Yes
Windows Server 2019 (Server Core installation)	`5014692 (Security Update)`	Important	Remote Code Execution	Yes
Windows Server 2022	`5014678 (Security Update)`	Important	Remote Code Execution	Yes
Windows Server 2022 (Server Core installation)	`5014678 (Security Update)`	Important	Remote Code Execution	Yes
Windows Server, version 20H2 (Server Core Installation)	`5014699 (Security Update)`	Important	Remote Code Execution	Yes

Patches

7 patches

Article	Type	Restart
`5014710`	Security Update	Yes
`5014702`	Security Update	Yes
`5014692`	Security Update	Yes
`5014699`	Security Update	Yes
`5014697`	Security Update	Yes
`5014738`	Monthly Rollup	Yes
`5014678`	Security Update	Yes

Exploits & PoC

15 public PoCs

Unverified third-party code

Public proof-of-concept repositories aggregated from PoC-in-GitHub. They are not reviewed and may be incomplete, non-functional, or malicious — inspect the code before running anything.

Repository	Stars	Published	Description
komomon/CVE-2022-30190-follina-Office-MSDT-Fixed	390	2022-06-02	CVE-2022-30190-follina.py-修改版，可以自定义word模板，方便实战中钓鱼使用。
JMousqueton/PoC-CVE-2022-30190	157	2022-05-30	POC CVE-2022-30190 : CVE 0-day MS Offic RCE aka msdt follina
onecloudemoji/CVE-2022-30190	104	2022-05-31	CVE-2022-30190 Follina POC
doocop/CVE-2022-30190	59	2022-05-31	Microsoft Office Word Rce 复现(CVE-2022-30190)
Malwareman007/Deathnote	38	2022-06-08	Proof of Concept of CVE-2022-30190
archanchoudhury/MSDT_CVE-2022-30190	37	2022-05-31	This Repository Talks about the Follina MSDT from Defender Perspective
Hrishikesh7665/Follina_Exploiter_CLI	34	2022-06-09	Exploit Microsoft Zero-Day Vulnerability Follina (CVE-2022-30190)
MalwareTech/FollinaExtractor	31	2022-06-15	Extract payload URLs from Follina (CVE-2022-30190) docx and rtf files
ErrorNoInternet/FollinaScanner	23	2022-06-02	A tool written in Go that scans files & directories for the Follina exploit (CVE-2022-30190)
Noxtal/follina	21	2022-06-03	All about CVE-2022-30190, aka follina, that is a RCE vulnerability that affects Microsoft Support Diagnostic Tools (MSDT) on Office apps such as Word. This is a very simple POC, feel free to check the
0xflagplz/MS-MSDT-Office-RCE-Follina	20	2022-06-02	CVE-2022-30190 \| MS-MSDT Follina One Click
dwisiswant0/gollina	17	2022-06-01	Follina MS-MSDT 0-day MS Office RCE (CVE-2022-30190) PoC in Go
aminetitrofine/CVE-2022-30190	12	2023-05-14	Follina (CVE-2022-30190) is a Microsoft Office zero-day vulnerability that has recently been discovered. It’s a high-severity vulnerability that hackers can leverage for remote code execution (RCE) at
drgreenthumb93/CVE-2022-30190-follina	8	2022-06-01	Just another PoC for the new MSDT-Exploit
Gra3s/CVE-2022-30190_EXP_PowerPoint	8	2022-06-29	This is exploit of CVE-2022-30190 on PowerPoint.

Detection Rules

Detection available

Community detection & vulnerability-scanning rules aggregated from Sigma and Nuclei templates. Validate and tune to your environment before deploying.