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Fencer Intel
high 7.0

CVE-2026-7832 json

IObit Advanced SystemCare Service ASC.exe symlink

published 6mo ago modified 16d ago also EUVD-2026-27317

cvss
7.0
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.1%
EPSS 0.1% chance of exploitation in 30 days, percentile 2%
public exploits
0
none known

Summary

A security flaw has been discovered in IObit Advanced SystemCare 19. This affects an unknown part of the file ASC.exe of the component Service. The manipulation results in symlink following. Attacking locally is a requirement. This attack is characterized by high complexity. It is indicated that the exploitability is difficult. The exploit has been released to the public and may be used for attacks.

Patch / fix

Is CVE-2026-7832 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
6mo ago

Exploit prediction

0.13% chance of exploitation in the next 30 days, higher than 2% of all scored CVEs (FIRST EPSS, 2026-11-11).

Exploits and checks

  • github.com https://github.com/usernameone101/Writeups/blob/main/IObit%20Zero%20Day%20(Updated%20v2).pdf referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 4.0 7.3 CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
CNA 3.1 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
CNA 3.0 7.0 CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
CNA 2.0 6.0 AV:L/AC:H/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR
CNA 4.0 6.4 CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CNA 3.1 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA 2.0 6.0 AV:L/AC:H/Au:S/C:C/I:C/A:C

Affected products

  • IObit Advanced SystemCare

Classification

Weakness
  • CWE-61 UNIX Symbolic Link (Symlink) Following
  • CWE-59 Improper Link Resolution Before File Access

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.