This vulnerability was reported by Juha-Matti Laurio.
Vulnerable component: Microsoft Office
CVSSv3 score: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:F/RL:O/RC:C
CWE-ID: CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
The vulnerability allows a remote user to execute arbitrary code on the target system.
The weakness is due to stack-based buffer overflow. By persuading the victim to load and open a specially crafted Word document containing a malformed string, a remote attacker can execute arbitrary code with elevated privileges.
Successful exploitation of the vulnerability results in arbitrary code execution on the vulnerable system.
Note: this vulnerability was being actively exploited.
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