What is CVE-2024-40433?

CVE-2024-40433 is a high-severity vulnerability in Tencent Wechat, classified under Incorrect Privilege Assignment. CVSS score: 8.8/10. Published 2024-07-26.

How severe is CVE-2024-40433?

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

Is CVE-2024-40433 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Privilege escalation in Tencent Wechat

CVE-2024-40433

Insecure Permissions vulnerability in Tencent wechat v.8.0.37 allows an attacker to escalate privileges via the web-view component.

Published 2024-07-26 · last modified 2026-06-17.

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: 0.012 (66.3th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 66.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Tencent Wechat — versions 8.0.37

Weakness classification (CWE)

CWE-266 — Incorrect Privilege Assignment

Public proof-of-concept exploits

NanZhao1512/SuperAppSec

References

github.com/yikaikkk/CookieShareInWebView/blob/master/README.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2024-40433?: CVE-2024-40433 is a high-severity vulnerability in Tencent Wechat, classified under Incorrect Privilege Assignment. CVSS score: 8.8/10. Published 2024-07-26.
How severe is CVE-2024-40433?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2024-40433 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.