7.8

CVE-2020-10551: tencent qqbrowser

Modified
Published 09-04-2020Last modified 04-08-2024

Vulnerability summary

CVE-2020-10551 is a high (CVSS 7.8) vulnerability in tencent qqbrowser. EPSS estimates a 1.41% chance of exploitation in the next 30 days, higher than 72.7% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
1.41%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 09-04-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

QQBrowser before 10.5.3870.400 installs a Windows service TsService.exe. This file is writable by anyone belonging to the NT AUTHORITY\Authenticated Users group, which includes all local and remote users. This can be abused by local attackers to escalate privileges to NT AUTHORITY\SYSTEM by writing a malicious executable to the location of TsService.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.41%

Chance of exploitation in the next 30 days

Percentile

73%

Versus all other CVEs

30-day change

No change 0.00 pp

From 1.41% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Tencent1 product

1 vendor · 1 product

References

2 links