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CVE-2022-30174

29
FAUCET Score

CVE-2022-30174 is a remote code execution vulnerability affecting Microsoft 365 Apps and Office Long Term Servicing Channel. This high-severity flaw, rated 7.8 CVSS, requires user interaction (UI:R) for an attacker to achieve high impact on confidentiality, integrity, and availability (C:H/I:H/A:H) through a local attack vector (AV:L). While not currently listed in CISA's KEV catalog and lacking public exploit code on platforms like Metasploit or ExploitDB, it has garnered some community discussion and media coverage, indicating awareness within the cybersecurity community.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:*:*
2021CPE matchmatch criteria
cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
3.06%
Probability of exploitation in next 30 days
EPSS Percentile
86.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0306 is in the 87th percentile among its peer group of 11,621 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: Microsoft 365 Apps for Enterprise for 32-bit SystemsFixed in: https://aka.ms/OfficeSecurityReleases
microsoftpatch availablevia msrc
Product: Microsoft 365 Apps for Enterprise for 64-bit SystemsFixed in: https://aka.ms/OfficeSecurityReleases
microsoftpatch availablevia msrc
Product: Microsoft Office LTSC 2021 for 64-bit editionsFixed in: https://aka.ms/OfficeSecurityReleases
microsoftpatch availablevia msrc
Product: Microsoft Office LTSC 2021 for 32-bit editionsFixed in: https://aka.ms/OfficeSecurityReleases

Vendor Advisories (1)

microsoft2022-Jun/CVE-2022-30174Important

Microsoft Office Remote Code Execution Vulnerability

Jun 14, 2022

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2022-30174
PatchVendor Advisory
msrc.microsoft.com / update-guide/vulnerability/CVE-2022-30174