110/111 sources · synced 22:45 UTC Customize Public mode
CVE-2026-45643ImportantRevised 19 Jun

Microsoft Word Remote Code Execution Vulnerability

MSRC advisory NVD CVE.org

Assessment

Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally.

Severity
Important
CVSS base score
7.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Impact
Remote Code Execution
EPSS, next 30 days
0.5%Higher than 37.9% of scored CVEs · FIRST model run 29 Sep 2026 · about EPSS
Public exploit code
No Nuclei template lists it
Exploitability
Exploitation Less Likely
Publicly disclosed
No
Customer action
Required: apply the update
Component
Microsoft Office Word
Weakness
CWE-822: Untrusted Pointer Dereference
Issued by
Microsoft
Published
9 Jun 2026 · June 2026
Last revised
19 Jun 2026Microsoft is announcing the availability of the security updates for Microsoft Office for Mac. Customers running affected Mac software should install the update for their product to be protected from this vulnerability. Customers running other Microsoft Office software do not need to take any actio…

Updates that fix it

0 KBs

No KB listed

MSRC lists no downloadable update, which usually means a service-side fix or a release-notes update. Check the MSRC advisory.

Affected products

Microsoft Office
9 affected products
ChangeIntel is an independent tool and is not affiliated with or endorsed by Microsoft, Apple, Google, Broadcom (VMware), Jamf, Oracle, Mozilla, or any other vendor it covers. Product names are trademarks of their owners. Data comes from public sources listed on Sources; every item links to its original page. Dates and statuses can change after they are read. Privacy: no accounts or analytics, and your preferences stay in your browser. Terms: information, not advice. Built by Evotec. This is the public demo. It can also run on your own server, with your Microsoft 365 tenant and device data kept inside your network; Evotec can help you deploy and extend it.