An information disclosure vulnerability exists when Exchange allows creation of entities with Display Names having non-printable characters. An authenticated attacker could exploit this vulnerability by creating entities with invalid display names, which, when added to conversati
An information disclosure vulnerability exists when Exchange allows creation of entities with Display Names having non-printable characters. An authenticated attacker could exploit this vulnerability by creating entities with invalid display names, which, when added to conversations, remain invisible. This security update addresses the issue by validating display names upon creation in Microsoft…
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft Exchange Server | 2010 Service Pack 3 |
| Microsoft | Microsoft Outlook | 2010 Service Pack 2 (32-bit editions), 2010 Service Pack 2 (64-bit editions), 2016 (32-bit edition), 2016 (64-bit edition), 2013 Service Pack 1 (32-bit editions), 2013 Service Pack 1 (64-bit editions) |
| Microsoft | Microsoft Office | 2013 Service Pack 1 (32-bit editions), 2013 Service Pack 1 (64-bit editions), 2013 RT Service Pack 1, 2016 for Mac, 2016 (32-bit edition), 2016 (64-bit edition), 2019 for 32-bit editions, 2019 for 64-bit editions, 2019 for Mac |
| Microsoft | Microsoft Lync | 2013 Service Pack 1 (32-bit), 2013 Service Pack 1 (64-bit) |
| Microsoft | Microsoft Lync Basic | 2013 Service Pack 1 (32-bit), 2013 Service Pack 1 (64-bit) |
| Microsoft | Microsoft Outlook for Android | unspecified |
| Microsoft | Skype for Business | 2016 (32-bit), 2016 (64-bit) |
| Microsoft | Skype for Business Basic | 2016 (32-bit), 2016 (64-bit) |
| Microsoft | Office 365 ProPlus | 32-bit Systems, 64-bit Systems |
| Microsoft | Microsoft Exchange Server 2016 | Cumulative Update 12, Cumulative Update 13 |
| Microsoft | Microsoft Exchange Server 2019 | Cumulative Update 1, Cumulative Update 2 |
| Microsoft | Microsoft Exchange Server 2013 | Cumulative Update 23 |
| Microsoft | Mail and Calendar | unspecified |
| Microsoft | Outlook for iOS | unspecified |
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.