CVE-2021-27058
Microsoft Office ClickToRun Remote Code Execution Vulnerability
Microsoft Office ClickToRun Remote Code Execution Vulnerability
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
CVE List Score used
7.8
Microsoft Office ClickToRun Remote Code Execution Vulnerability
Microsoft Office ClickToRun Remote Code Execution Vulnerability
- Record
CVE-2021-27058- 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/E:U/RL:O/RC:C - Updated
- 2026-11-02
EUVDEUVD-2021-13829
7.8
Microsoft Office ClickToRun Remote Code Execution Vulnerability
- Record
EUVD-2021-13829- 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/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-whx5-mmrp-j392
7.8
Microsoft Office ClickToRun Remote Code Execution Vulnerability
Microsoft Office ClickToRun Remote Code Execution Vulnerability
- Record
GHSA-whx5-mmrp-j392- 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 - Updated
- 2026-11-02
NVD
7.8
Microsoft Office ClickToRun Remote Code Execution Vulnerability
- Record
CVE-2021-27058- 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
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Updated
- 2026-11-02
OSVopenSUSE-SU-2024:11245-1 No score
python36-oletools-0.60-2.2 on GA media
These are all security issues fixed in the python36-oletools-0.60-2.2 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:11245-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:14151-1 No score
python310-oletools-0.60.1-1.2 on GA media
These are all security issues fixed in the python310-oletools-0.60.1-1.2 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:14151-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2026:12022-1 No score
python313-oletools-0.60.2-2.4 on GA media
These are all security issues fixed in the python313-oletools-0.60.2-2.4 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2026:12022-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
python-oletoolsopenSUSE:Tumbleweed |
before 0.60.1-1.2 | 0.60.1-1.2 |
python-oletoolsopenSUSE:Tumbleweed From an advisory covering 2 CVEs |
before 0.60.2-2.4 | 0.60.2-2.4 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-27058 is a high vulnerability (CVSS 7.8) in Microsoft 365 Apps, published March 11, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.54%, the 89th percentile. Fixed in python-oletools 0.60.1-1.2.