PT-2023-7642 · Microsoft · Outlook+4

Ben Barnea · Published 2023-12-12 · Updated 2025-08-25 · CVE-2023-35628

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Windows MSHTML Platform (affected versions not specified)

Description The vulnerability in the Windows MSHTML Platform is related to insufficient input validation, allowing remote attackers to execute arbitrary code by sending a specially crafted email. This issue can be exploited without any user interaction, making it uniquely dangerous. The vulnerability affects Microsoft Outlook and can potentially be exploited through Windows Explorer.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

RCE

Use After Free

Weakness Enumeration

CWE-416

CWE-20

Related Identifiers

BDU:2023-08703

CVE-2023-35628

Affected Products

Internet Explorer

Outlook

Windows

Windows Explorer

Windows Mshtml Platform

References · 40

• 🔥 https://github.com/akamai/akamai-security-research/tree/main/PoCs/cve-2023-35628 · Exploit
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-35628 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-35628 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-08703 · Security Note
• https://osv.dev/vulnerability/CVE-2023-35628 · Vendor Advisory
• https://safe-surf.ru/specialists/bulletins-nkcki/702429 · Security Note
• https://safe-surf.ru/upload/VULN-new/VULN.2023-12-13.1.pdf · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2023-35628 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-35628 · Security Note
• https://twitter.com/moton/status/1779075061854728413 · Twitter Post
• https://t.me/irozysk/11214 · Telegram Post
• https://twitter.com/akamai_research/status/1735385415777910950 · Twitter Post
• https://github.com/advisories/GHSA-rx7r-r3h4-3r66 · Note
• https://twitter.com/ncsc_gov_ie/status/1735315995428860112 · Twitter Post
• https://twitter.com/Action1corp/status/1735010416839803302 · Twitter Post