CVE-2021-26807
GalaxyClient version 2.0.28.9 loads unsigned DLLs such as zlib1.dll, libgcc_s_dw2-1.dll and...
GalaxyClient version 2.0.28.9 loads unsigned DLLs such as zlib1.dll, libgcc_s_dw2-1.dll and libwinpthread-1.dll from PATH, which allows an attacker to potentially run code locally through unsigned DLL loading.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
GalaxyClient version 2.0.28.9 loads unsigned DLLs such as zlib1.dll, libgcc_s_dw2-1.dll and libwinpthread-1.dll from PATH, which allows an attacker to potentially run code locally through unsigned DLL loading.
- Record
CVE-2021-26807- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 4.4 Medium
AV:L/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-426
- Updated
- 2026-11-02
CVE List No score
GalaxyClient version 2.0.28.9 loads unsigned DLLs such as zlib1.dll, libgcc_s_dw2-1.dll and libwinpthread-1.dll from PATH, which allows an attacker to potentially run code locally through unsigned DLL loading.
- Record
CVE-2021-26807- Updated
- 2026-11-02
EUVDEUVD-2021-13594 No score
GalaxyClient version 2.0.28.9 loads unsigned DLLs such as zlib1.dll, libgcc_s_dw2-1.dll and libwinpthread-1.dll from PATH, which allows an attacker to potentially run code locally through unsigned DLL loading.
- Record
EUVD-2021-13594- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wcjf-j4g2-qj96 No score
GalaxyClient version 2.0.28.9 loads unsigned DLLs such as zlib1.dll, libgcc_s_dw2-1.dll and...
GalaxyClient version 2.0.28.9 loads unsigned DLLs such as zlib1.dll, libgcc_s_dw2-1.dll and libwinpthread-1.dll from PATH, which allows an attacker to potentially run code locally through unsigned DLL loading.
- Record
GHSA-wcjf-j4g2-qj96- Weakness
- CWE-426
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-26807 is a high vulnerability (CVSS 7.8) in Gog Galaxy, published April 30, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.48%, the 41st percentile. No source names a fixed version.