What is CVE-2026-49163?

CVE-2026-49163 is a high-severity vulnerability in Microsoft Application Insights Profiler, classified under Path Traversal. CVSS score: 8.8/10. Published 2026-08-07.

How severe is CVE-2026-49163?

High severity. CVSS v3 base score is 8.8 out of 10.

Path Traversal in Microsoft Application Insights Profiler

CVE-2026-49163

Improper limitation of a pathname to a restricted directory ('path traversal') in Application Insights Profiler allows an authorized attacker to elevate privileges over a network.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2026-08-07 · last modified 2026-10-24.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (63.6th percentile), scored 2026-11-04.

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 63.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-22 — Path Traversal

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49163 (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-49163?: CVE-2026-49163 is a high-severity vulnerability in Microsoft Application Insights Profiler, classified under Path Traversal. CVSS score: 8.8/10. Published 2026-08-07.
How severe is CVE-2026-49163?: High severity. CVSS v3 base score is 8.8 out of 10.