CVE-2025-58107 Information disclosure in n/a
Microsoft Exchange ActiveSync may transmit sensitive user credentials and device data in cleartext, exposing them to network attackers.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-58107?
CVE-2025-58107 is a high-severity vulnerability in n/a, published on 2 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In Microsoft Exchange through 2019, Exchange ActiveSync (EAS) configurations on on-premises servers may transmit sensitive data from Samsung mobile devices in cleartext, including the user's name, e-mail address, device ID, bearer token, and base64-encoded password.
Weakness: CWE-319
Which versions are affected by CVE-2025-58107?
How do I fix CVE-2025-58107?
No fix has been published for CVE-2025-58107 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-58107 being exploited?
There is no known exploitation of CVE-2025-58107 in the wild and no public exploit code.
Sources
Also known as GHSA-23cq-j64v-p9x8.