What is CVE-2022-34893?

CVE-2022-34893 is a high-severity vulnerability in Microsoft Windows, classified under Improper Link Resolution Before File Access. CVSS score: 7.8/10. Published 2022-09-19.

How severe is CVE-2022-34893?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Microsoft Windows

CVE-2022-34893

Trend Micro Security 2022 (consumer) has a link following vulnerability where an attacker with lower privileges could manipulate a mountpoint which could lead to escalation of privilege on an affected machine.

Published 2022-09-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (19.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 19.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Microsoft Windows
Trend Micro Security (Consumer) — versions 2022 (17.7.1179 and below)
Trendmicro Security

Weakness classification (CWE)

CWE-59 — Improper Link Resolution Before File Access

References

helpcenter.trendmicro.com/en-us/article/tmka-11053 (Patch, Vendor Advisory)
www.zerodayinitiative.com/advisories/ZDI-22-1175/ (VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2022-34893?: CVE-2022-34893 is a high-severity vulnerability in Microsoft Windows, classified under Improper Link Resolution Before File Access. CVSS score: 7.8/10. Published 2022-09-19.
How severe is CVE-2022-34893?: High severity. CVSS v3 base score is 7.8 out of 10.