CVE-2022-30190 — Microsoft Windows Support Diagnostic Tool (MSDT) Remote Code Execution Vulnerability
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.
Who exploits it and how urgent it is
A 0–100 score combining confirmed exploitation, ransomware and APT use, public exploits, EPSS and severity.
How the score was calculated
- Confirmed exploitation (CISA KEV)+35
- Used in ransomware campaigns (CISA)+10
- Public exploit/PoC (metasploit, github)+18
- EPSS 99.2% (30-day exploitation probability)+15
- Technical severity (high)+6
The score orders the patch queue; it does not replace your asset context (internet exposure, criticality, compensating controls).
Triage
Is it exploited, how likely is exploitation, what does it touch, and how severe do the sources call it.
CISA SSVC assessment CISA
Three decision points CISA publishes for the CVEs it assesses (SSVC 2.0.3). A stakeholder decision, not a severity score.
Remediation
Fixes and mitigations documented by the sources — linked to the original advisory.
- Documented patch — portal.msrc.microsoft.com (NIST National Vulnerability Database)
CISA required action CISA
Apply updates per vendor instructions.
US federal deadline: Jul 5, 2022 — passed 1565 day(s) ago
First 24 hours
Ordered from the record’s own fields — exposure first, because you cannot patch what you have not found. A rule-generated starting point.
- Identify exposed assets running the affected vendor/product/version combinations (Microsoft Windows 10 1507, Microsoft Windows 10 1607, Microsoft Windows 10 1809…).
- Treat as emergency remediation: the CVE is in CISA KEV (confirmed exploitation).
- Apply the fixed version or the patch documented under Remediation.
- Exploitation requires user interaction: tighten email/web filtering and warn affected users.
- EPSS ahead of 100% of scored CVEs: prioritize it in the patch queue.
- Search available logs for exploit probes, errors and authentication anomalies.
Affected scope
Vendor, product and versions as the sources word them.
| Vendor | Product | Versions | Status | Source |
|---|---|---|---|---|
| Microsoft | Windows 10 1507 | < 10.0.10240.19325 | Vulnerable | NIST National Vulnerability Database |
| Microsoft | Windows 10 1607 | < 10.0.14393.5192 | Vulnerable | NIST National Vulnerability Database |
| Microsoft | Windows 10 1809 | < 10.0.17763.3046 | Vulnerable | NIST National Vulnerability Database |
| Microsoft | Windows 10 20h2 | < 10.0.19042.1766 | Vulnerable | NIST National Vulnerability Database |
| Microsoft | Windows 10 21h1 | < 10.0.19043.1766 | Vulnerable | NIST National Vulnerability Database |
| Microsoft | Windows 10 21h2 | < 10.0.19044.1766 | Vulnerable | NIST National Vulnerability Database |
| Microsoft | Windows 10 Version 1507 | ≥ 10.0.10240.0 and < 10.0.10240.19325 | Vulnerable | CVE Program (cve.org) e CISA ADP |
| Microsoft | Windows 10 Version 1607 | ≥ 10.0.14393.0 and < 10.0.14393.5192 | Vulnerable | CVE Program (cve.org) e CISA ADP |
| Microsoft | Windows 10 Version 1809 | ≥ 10.0.0 and < 10.0.17763.3046≥ 10.0.17763.0 and < 10.0.17763.3046 | Vulnerable | CVE Program (cve.org) e CISA ADP |
| Microsoft | Windows 10 Version 20H2 | ≥ 10.0.0 and < 10.0.19042.1766 | Vulnerable | CVE Program (cve.org) e CISA ADP |
| Microsoft | Windows 10 Version 21H1 | ≥ 10.0.0 and < 10.0.19043.1766 | Vulnerable | CVE Program (cve.org) e CISA ADP |
| Microsoft | Windows 10 Version 21H2 | ≥ 10.0.19043.0 and < 10.0.19044.1766 | Vulnerable | CVE Program (cve.org) e CISA ADP |
| Microsoft | Windows 11 21h2 | < 10.0.22000.739 | Vulnerable | NIST National Vulnerability Database |
| Microsoft | Windows 11 version 21H2 | ≥ 10.0.0 and < 10.0.22000.739 | Vulnerable | CVE Program (cve.org) e CISA ADP |
| Microsoft | Windows 7 | ≥ 6.1.0 and < 6.1.7601.25984 | Vulnerable | CVE Program (cve.org) e CISA ADP |
| Microsoft | Windows 7 | versions not specified by the source | Vulnerable | NIST National Vulnerability Database |
| Microsoft | Windows 7 Service Pack 1 | ≥ 6.1.0 and < 6.1.7601.25984 | Vulnerable | CVE Program (cve.org) e CISA ADP |
| Microsoft | Windows 8.1 | versions not specified by the source | Vulnerable | NIST National Vulnerability Database |
| Microsoft | Windows 8.1 | ≥ 6.3.0 and < 6.3.9600.20402 | Vulnerable | CVE Program (cve.org) e CISA ADP |
| Microsoft | Windows Rt 8.1 | versions not specified by the source | Vulnerable | NIST National Vulnerability Database |
| Microsoft | Windows Server 2008 | version r2-sp1 | Vulnerable | NIST National Vulnerability Database |
| Microsoft | Windows Server 2008 R2 Service Pack 1 | ≥ 6.1.7601.0 and < 6.1.7601.25984 | Vulnerable | CVE Program (cve.org) e CISA ADP |
| Microsoft | Windows Server 2008 R2 Service Pack 1 (Server Core installation) | ≥ 6.1.7601.0 and < 6.1.7601.25984 | Vulnerable | CVE Program (cve.org) e CISA ADP |
| Microsoft | Windows Server 2012 | ≥ 6.2.9200.0 and < 6.2.9200.23736 | Vulnerable | CVE Program (cve.org) e CISA ADP |
| Microsoft | Windows Server 2012 | version r2versions not specified by the source | Vulnerable | NIST National Vulnerability Database |
| Microsoft | Windows Server 2012 (Server Core installation) | ≥ 6.2.9200.0 and < 6.2.9200.23736 | Vulnerable | CVE Program (cve.org) e CISA ADP |
| Microsoft | Windows Server 2012 R2 | ≥ 6.3.9600.0 and < 6.3.9600.20402 | Vulnerable | CVE Program (cve.org) e CISA ADP |
| Microsoft | Windows Server 2012 R2 (Server Core installation) | ≥ 6.3.9600.0 and < 6.3.9600.20402 | Vulnerable | CVE Program (cve.org) e CISA ADP |
| Microsoft | Windows Server 2016 | < 10.0.14393.5192 | Vulnerable | NIST National Vulnerability Database |
| Microsoft | Windows Server 2016 | ≥ 10.0.14393.0 and < 10.0.14393.5192 | Vulnerable | CVE Program (cve.org) e CISA ADP |
| Microsoft | Windows Server 2016 (Server Core installation) | ≥ 10.0.14393.0 and < 10.0.14393.5192 | Vulnerable | CVE Program (cve.org) e CISA ADP |
| Microsoft | Windows Server 2019 | ≥ 10.0.17763.0 and < 10.0.17763.3046 | Vulnerable | CVE Program (cve.org) e CISA ADP |
| Microsoft | Windows Server 2019 | < 10.0.17763.3046 | Vulnerable | NIST National Vulnerability Database |
| Microsoft | Windows Server 2019 (Server Core installation) | ≥ 10.0.17763.0 and < 10.0.17763.3046 | Vulnerable | CVE Program (cve.org) e CISA ADP |
| Microsoft | Windows Server 2022 | ≥ 10.0.20348.0 and < 10.0.20348.770 | Vulnerable | CVE Program (cve.org) e CISA ADP |
| Microsoft | Windows Server 2022 | < 10.0.20348.770 | Vulnerable | NIST National Vulnerability Database |
| Microsoft | Windows Server 20h2 | < 10.0.19042.1766 | Vulnerable | NIST National Vulnerability Database |
| Microsoft | Windows Server version 20H2 | ≥ 10.0.0 and < 10.0.19042.1766 | Vulnerable | CVE Program (cve.org) e CISA ADP |
Attack characteristics
The CVSS vector, decoded. It describes the attack, not your exposure to it.
Every base score collected
Sources score independently and may disagree; each row says who scored it and under which version.
| Score | Version | Severity | Expl. | Impact | Scored by |
|---|---|---|---|---|---|
| 7.8 | CVSS 3.1 | High | 1.8 | 5.9 | secure@microsoft.com via NIST National Vulnerability Database |
| 7.8 | CVSS 3.1 | High | 1.8 | 5.9 | nvd@nist.gov via NIST National Vulnerability Database |
| 7.8 | CVSS 3.1 | High | — | — | GitHub, Inc. via GitHub Security Advisories |
| 7.8 | CVSS 3.1 | High | — | — | microsoft via CVE Program (cve.org) e CISA ADP |
| 9.3 | CVSS 2.0 | High | 8.6 | 10.0 | nvd@nist.gov via NIST National Vulnerability Database |
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H (score shown at the top: secure@microsoft.com) CISA KEV details CISA
CISA lists a CVE once it has evidence of exploitation against real targets.
CISA records ransomware use only for campaigns it has confirmed, so “Unknown” means unrecorded, not ruled out. The deadline binds US federal agencies; for everyone else it is a reference date.
Public exploits, PoCs and detection templates
Public code that demonstrates or tests the flaw raises the odds of mass exploitation — and Nuclei templates help find vulnerable assets in your environment.
- Microsoft Office Word MSDTJS excellent May 29, 2022
- 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。 ★ 390 Jun 2, 2022
- POC CVE-2022-30190 : CVE 0-day MS Offic RCE aka msdt follina ★ 158 May 30, 2022
- CVE-2022-30190 Follina POC ★ 104 May 31, 2022
- Microsoft Office Word Rce 复现(CVE-2022-30190) ★ 60 May 31, 2022
- Proof of Concept of CVE-2022-30190 ★ 38 Jun 8, 2022
- This Repository Talks about the Follina MSDT from Defender Perspective ★ 37 May 31, 2022
- Exploit Microsoft Zero-Day Vulnerability Follina (CVE-2022-30190) ★ 34 Jun 9, 2022
- Extract payload URLs from Follina (CVE-2022-30190) docx and rtf files ★ 32 Jun 15, 2022
- A tool written in Go that scans files & directories for the Follina exploit (CVE-2022-30190) ★ 23 Jun 2, 2022
- 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 sources below for more threat intelligence. ★ 21 Jun 3, 2022
Warning: public PoCs are sometimes disguised malware. Use them only for authorized testing in an isolated environment. This portal does not host exploit code — it only points to the sources.
EPSS over time FIRST
Oct 13, 2026 → Oct 16, 2026 · 4 reading(s) · max 99.16%
Detection
Read off the CVSS vector and the weakness class. Starting points, not tested rules.
- Local/physical vector: focus on endpoint telemetry (EDR) from affected hosts.
- Hunt retroactively in logs from before Jun 14, 2022 (KEV listing): exploitation may have started earlier.
Timeline
What happened to this CVE, newest first.
- 2026
- Affected products added · microsoft/windows 10 version 1809, microsoft/windows server 2019, microsoft/windows server 2019 (server core installatio
- SSVC assessment updated
- Record published
- Fix documented
- Affected products added · microsoft/windows 10 1507, microsoft/windows 10 1607, microsoft/windows 10 1809, microsoft/windows 10 20h2, microsoft/wi
- CVSS changed · 7.8
- Source status changed · → Analyzed
- Added to CISA KEV (detected)
- Record created in this database
- 2022
- Added to CISA KEV catalog
- CVE published
Source activity
Repeated readings are counted rather than listed.
- 2× References added · Oct 13, 2026 – Oct 13, 2026
- 1× Official description updated · Oct 13, 2026 – Oct 13, 2026
References
6 on the record
- msrc.microsoft.com/update-guide/vulnerability/CVE-2022-30190
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-30190
- www.cisa.gov/known-exploited-vulnerabilities-catalog
- nvd.nist.gov/vuln/detail/CVE-2022-30190
- packetstormsecurity.com/files/167438/Microsoft-Office-Word-MSDTJS-Code-Execution.html
- github.com/advisories/GHSA-4r9q-wqcj-x85j
Elsewhere on this site
Related CVEs (same products)
- Medium CVE-2026-97844 Role: DNS Server Information Disclosure Vulnerability 3d
- Medium CVE-2026-97839 Role: DNS Server Information Disclosure Vulnerability 3d
- Medium CVE-2026-97840 Role: DNS Server Information Disclosure Vulnerability 3d
- Medium CVE-2026-97841 Role: DNS Server Information Disclosure Vulnerability 3d
- Medium CVE-2026-97842 Role: DNS Server Information Disclosure Vulnerability 3d
- Medium CVE-2026-97843 Role: DNS Server Information Disclosure Vulnerability 3d
Not in any source we poll
Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.
- No CWE classification.
- No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
- No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
- No exploit packet captures, log samples, or incident case IDs supplied.
Answered from this record
Text assembled only from the fields above — no additional claims.
What should defenders know first?
CVE-2022-30190 is "Microsoft Windows Support Diagnostic Tool (MSDT) Remote Code Execution Vulnerability", rated High. It affects Windows 10 1507 (Microsoft); versions are in the scope table. It is in CISA KEV: there is evidence of real-world exploitation. CVSS 7.8 describes technical severity. EPSS 99.16% estimates the probability of exploitation in 30 days; neither replaces your asset context. First verify whether exposed or business-critical assets run the affected versions, apply vendor fixes or mitigations, and preserve logs for review.
Comments
Moderated technical discussion. Read the community guidelines.
No comments yet.
Sign in or create an account to comment and suggest corrections.