#VU8768 Information disclosure in Microsoft Outlook - CVE-2017-11776

Vulnerability identifier: #VU8768

Vulnerability risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-11776

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Microsoft Outlook
Client/Desktop applications / Office applications

Vendor: Microsoft

Description

The vulnerability allows a remote attacker to obtain potentially sensitive information.

The vulnerability exists due to an error when Microsoft Outlook fails to establish a secure connection. A remote attacker can obtain the email content of a user.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Microsoft Outlook: 2016

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External links
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11776

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.