Comodo Dragon Browser 52.15.25.663 Privilege Escalation via Unquoted Service Path
Published Jun 19, 2026
8.5
HIGHCVSS 4.0
EPSS 0.18%
Description
Comodo Dragon Browser versions up to 52.15.25.663 contain a privilege escalation vulnerability in the DragonUpdater service due to an unquoted service path running with SYSTEM privileges. A local attacker can insert a malicious executable in the service path and execute arbitrary code with elevated privileges upon service restart or system reboot.
Affected products
-
- Version 0StatusaffectedConstraints<=52.15.25.663
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Comodo | Dragon Browser | n/a |
|
No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
1 other source (NVD) ▾
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/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
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
PoCAutomatable
NoTechnical Impact
TotalDecision
n/aAssessed Jun 22, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
Jun–Oct 2026- EPSS v5
Percentile over time
- EPSS v5
Table of values (2 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.18% (0.00175) | 6.33th | v5 (v2026.06.15) |
| Jun 23, 2026 | 0.12% (0.00122) | 2.32th | v5 (v2026.06.15) |
References (5)
- http://yildirimyunus.com product
- https://www.comodo.com product
- https://www.comodo.com/home/browsers-toolbars/browser.php product
- https://www.exploit-db.com/exploits/40471 exploit
- https://www.vulncheck.com/advisories/comodo-dragon-browser-privilege-escalation-via-unquoted-service-path third-party-advisory
| Link | Providers | Tags |
|---|---|---|
| http://yildirimyunus.com | product | |
| https://www.comodo.com | product | |
| https://www.comodo.com/home/browsers-toolbars/browser.php | product | |
| https://www.exploit-db.com/exploits/40471 | exploit | |
| https://www.vulncheck.com/advisories/comodo-dragon-browser-privilege-escalation-via-unquoted-service-path | third-party-advisory |
Change history (0)
No recorded changes yet.