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CVE-2026-6851: An Improper link resolution before file access ('link following') vulnerability in the File Shredder module as

26
Routine
HIGH 7.0UPGRADEUPGRADE

CVE-2026-6851 is a high-severity flaw (CVSS 7.0) affecting internet security, total security. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An Improper link resolution before file access ('link following') vulnerability in the File Shredder module as used in Bitdefender Total Security and Internet Security on Windows allows a less-privileged local user to elevate rights by leveraging a race conditions via Symbolic Links. This issue affects Total Security: before 27.0.58.315; Internet Security: before 27.0.58.315.

Why this priority

  • High severity

A fixed release or distro patch exists.

Risk facts

CVSS score7.0 (High)
Attack vectorLocal
Attack complexityHigh
Privileges neededLow
User interactionNone
EPSS exploit chance0.1% (top 96%)
CISA exploited listNo
WeaknessCWE-59
Published2026-07-14
Last modified2026-08-12
Publisher (CNA): Bitdefender · Vendor: bitdefender

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Last updated 2026-08-12 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

bitdefender internet security UPGRADE
Affected: < 27.0.58.315
Fixed in: 27.0.58.315
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy internet-security || rpm -q internet-security || internet-security --version
2. UPGRADE to 27.0.58.315 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade internet-security
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade internet-security
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
bitdefender total security UPGRADE
Affected: < 27.0.58.315
Fixed in: 27.0.58.315
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy total-security || rpm -q total-security || total-security --version
2. UPGRADE to 27.0.58.315 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade total-security
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade total-security
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-6851?

internet security: upgrade to 27.0.58.315; total security: upgrade to 27.0.58.315. Exact commands for each OS are on this page.

Is CVE-2026-6851 being exploited?

CVE-2026-6851 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-6851 affect?

CVE-2026-6851 affects internet security, total security. Severity is high (CVSS 7.0). An Improper link resolution before file access ('link following') vulnerability in the File Shredder module as used in Bitdefender Total Security and Internet Security on Windows allows a less-privileged local user to elevate rights by leve

How urgent is CVE-2026-6851?

Priority 26/100. High severity

Software pages

Windows vulnerabilities

References

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