Vulnerability · CVE-2026-6064
ZDI-26-832: AVG Internet Security avgToolsSvc Link Following Local Privilege Escalation Vulnerability
Published Oct 28, 2026 · BSI
Last checked Nov 4, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2026-6064. EPSS is 0.12%. Act only if a listed version of BSI is installed.
Gaps on this record
- No version range is stored. A customer cannot check an installed version against this record.
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- High7.3
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.12%
- Remediation
- Not established
- Affected products
- BSI
This vulnerability allows local attackers to escalate privileges on affected installations of AVG Internet Security. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.3. The following CVEs are assigned: CVE-2026-6064.
No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.
How to fix CVE-2026-6064
No stored fix
No vendor fix text is stored. Use the linked advisory before you change production.
Version check
No version range is stored, so an installed version cannot be checked on this page.
Advisory
Open the bsi record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2026-6064. EPSS is 0.12%. Act only if a listed version of BSI is installed.
Which versions are affected?
Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.12%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Oct 28, 2026 · Zero Day Initiative
Detected
This vulnerability allows local attackers to escalate privileges on affected installations of AVG Internet Security. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.3. The following CVEs are assigned: CVE-2026-6064.
Sources
- BSI CERT-BundGovernment advisoryCVE-2026-6064
Norton Antivirus: Schwachstelle ermöglicht Privilegieneskalation
wid.cert-bund.de - CVE.orgVulnerability recordCVE-2026-6064
Official CVE identifier
cve.org - Zero Day InitiativeCoordinated disclosureZDI-26-832
This vulnerability allows local attackers to escalate privileges on affected installations of AVG Internet Security. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.3. The following CVEs are assigned: CVE-2026-6064.
zerodayinitiative.com
Freshness
Last verified in this catalog Nov 4, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- Zero Day InitiativeNov 4, 2026
- BSI CERT-BundOct 30, 2026
- CVE.orgOct 29, 2026