CVE-2023-34312

HIGHNVD 7.87.8—Elevated

7.8

In Tencent QQ through 9.7.8.29039 and TIM through 3.4.7.22084, QQProtect.exe and QQProtectEngine.dll do not validate pointers from inter-process communication, which leads to a write-what-where condition.

CVSS v3: 7.8
EG Score: 7.8(medium)
EPSS: 89.2%
KEV: Not listed

Published

June 1, 2023

Last Modified

January 9, 2025

References (2)

cve@mitrehttps://github.com/vi3t1/qq-tim-elevation
af854a3a-2127-422b-91ae-364da2661108https://github.com/vi3t1/qq-tim-elevation

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-763

Data Freshness Timeline

(refreshed 14× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
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Publicly available exploits

(2 references)

Working exploit code is in the public domain (2 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

GitHub PoClan1oc/CVE-2023-34312-exp
First seen Aug 7, 2023
复现CVE-2023-34312所需的两个恶意dll文件
Open source ↗
GitHub PoCvi3t1/qq-tim-elevation
First seen May 27, 2023
CVE-2023-34312
Open source ↗

Frequently asked(5)

What is CVE-2023-34312?

CVE-2023-34312 is a high vulnerability published on June 1, 2023. In Tencent QQ through 9.7.8.29039 and TIM through 3.4.7.22084, QQProtect.exe and QQProtectEngine.dll do not validate pointers from inter-process communication, which leads to a write-what-where condition.

When was CVE-2023-34312 disclosed?

CVE-2023-34312 was first published in the National Vulnerability Database on June 1, 2023, with the most recent update on January 9, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-34312 actively exploited?

CVE-2023-34312 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 89.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-34312?

CVE-2023-34312 has a CVSS v3 base score of 7.8 (NVD).

How do I remediate CVE-2023-34312?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-34312, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2023-34312

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