RGui 3.5.0 Local Buffer Overflow SEH DEP Bypass
Published Apr 12, 2026
8.6
HIGHCVSS 4.0
EPSS 0.19%
Description
RGui 3.5.0 contains a local buffer overflow vulnerability in the GUI preferences dialog that allows attackers to bypass DEP protections through structured exception handling exploitation. Attackers can craft malicious input in the Language for menus and messages field to trigger a stack-based buffer overflow, execute a ROP chain for VirtualAlloc allocation, and achieve arbitrary code execution.
Affected products
-
- Version 3.5.0StatusaffectedConstraints-
- Version
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:N/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:N/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:N/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 Apr 13, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
Apr–Oct 2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (3 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 0.19% (0.00188) | 7.56th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.19% (0.00188) | 8.51th | v5 (v2026.06.15) |
| Apr 13, 2026 | 0.01% (0.00013) | 2.30th | v4 (v2025.03.14) |
References (4)
- https://cran.r-project.org/bin/windows/base/old/3.5.0/R-3.5.0-win.exe product
- https://www.exploit-db.com/exploits/46107 exploit
- https://www.r-project.org/ product
- https://www.vulncheck.com/advisories/rgui-local-buffer-overflow-seh-dep-bypass third-party-advisory
| Link | Providers | Tags |
|---|---|---|
| https://cran.r-project.org/bin/windows/base/old/3.5.0/R-3.5.0-win.exe | product | |
| https://www.exploit-db.com/exploits/46107 | exploit | |
| https://www.r-project.org/ | product | |
| https://www.vulncheck.com/advisories/rgui-local-buffer-overflow-seh-dep-bypass | third-party-advisory |
Change history (0)
No recorded changes yet.