CVE-2023-21716
Microsoft Word Remote Code Execution Vulnerability
Microsoft Word Remote Code Execution Vulnerability
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Microsoft Word Remote Code Execution Vulnerability
Microsoft Word Remote Code Execution Vulnerability
- Record
CVE-2023-21716- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Weakness
- CWE-190
- Updated
- 2026-11-02
EUVDEUVD-2023-25883
Microsoft Word Remote Code Execution Vulnerability
- Record
EUVD-2023-25883- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-64mm-8wcm-jw5g
Microsoft Word Remote Code Execution Vulnerability
Microsoft Word Remote Code Execution Vulnerability
- Record
GHSA-64mm-8wcm-jw5g- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
NVD
Microsoft Word Remote Code Execution Vulnerability
- Record
CVE-2023-21716- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-190
- Updated
- 2026-11-02
Affected products
- microsoft word
- microsoft 365 apps for enterprise
- microsoft office 2019
- microsoft office 2019 for mac
- microsoft office ltsc 2021
- microsoft office ltsc for mac 2021
- microsoft office online server
- microsoft office web apps server 2013 service pack 1
- microsoft sharepoint enterprise server 2013 service pack 1
- microsoft sharepoint enterprise server 2016
- microsoft sharepoint foundation 2013 service pack 1
- microsoft sharepoint server 2019
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- microsoft sharepoint server subscription edition
- microsoft word 2013 service pack 1
- microsoft word 2016
- microsoft office
- microsoft office long term servicing channel
- microsoft office web apps
- microsoft sharepoint server subscription edition language pack
- microsoft sharepoint enterprise server
- microsoft sharepoint foundation
- microsoft sharepoint server
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | Caliburn9/CVE-2023-21716-Analysis-ICT287 | 2026-05-07 |
| PoC in GitHub | FeatherStark/CVE-2023-21716 | 2023-03-07 |
| PoC in GitHub | JMousqueton/CVE-2023-21716 | 2023-04-16 |
| PoC in GitHub | MojithaR/CVE-2023-21716-EXPLOIT.py | 2023-11-04 |
| PoC in GitHub | P4x1s/CVE-2023-21716-POC | 2023-03-10 |
| PoC in GitHub | REGGYRAIDER/CVE-2023-21716 | 2026-06-08 |
| PoC in GitHub | RonF98/CVE-2023-21716-POC | 2024-09-16 |
| PoC in GitHub | Xnuvers007/CVE-2023-21716 | 2023-03-07 |
| PoC in GitHub | gyaansastra/CVE-2023-21716 | 2023-03-08 |
| PoC in GitHub | hv0l/CVE-2023-21716_exploit | 2023-03-24 |
| PoC in GitHub | mikesxrs/CVE-2023-21716_YARA_Results | 2023-03-08 |
| PoC in GitHub | muumthf/CVE-2023-21716 | 2026-03-22 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-21716 is a critical vulnerability (CVSS 9.8) in Microsoft Word, published February 14, 2023. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 84.8%, the 99th percentile. No source names a fixed version.