| CVE ID | CVE-2026-21249 |
| CVSS SCORE | 3.3, AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N |
| AFFECTED VENDORS |
Microsoft |
| AFFECTED PRODUCTS |
Windows |
| VULNERABILITY DETAILS |
This vulnerability allows remote attackers to disclose NTLM responses on affected installations of Microsoft Windows. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of searchConnector-ms files. The issue results from the lack of proper input validation. An attacker can leverage this vulnerability to disclose NTLM responses in the context of the current user. |
| ADDITIONAL DETAILS |
Microsoft has issued an update to correct this vulnerability. More details can be found at:
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21249 |
| DISCLOSURE TIMELINE |
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| CREDIT | Jonathan Lein of TrendAI Research |
