CVE-2026-57098
Microsoft Remote Desktop App for Windows Information Disclosure Vulnerability
Improper verification of cryptographic signature in Windows RDP Client allows an unauthorized attacker to disclose information over a network.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Microsoft Remote Desktop App for Windows Information Disclosure Vulnerability
Improper verification of cryptographic signature in Windows RDP Client allows an unauthorized attacker to disclose information over a network.
- Record
CVE-2026-57098- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C - Weakness
- CWE-347
- Updated
- 2026-11-02
EUVDEUVD-2026-73176
Improper verification of cryptographic signature in Windows RDP Client allows an unauthorized attacker to disclose information over a network.
- Record
EUVD-2026-73176- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-ffcr-244p-cmjq
Improper verification of cryptographic signature in Windows RDP Client allows an unauthorized...
Improper verification of cryptographic signature in Windows RDP Client allows an unauthorized attacker to disclose information over a network.
- Record
GHSA-ffcr-244p-cmjq- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-347
- Updated
- 2026-11-02
NVD
Improper verification of cryptographic signature in Windows RDP Client allows an unauthorized attacker to disclose information over a network.
- Record
CVE-2026-57098- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-347
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-57098 is a high vulnerability (CVSS 7.5) in Microsoft Remote Desktop Client For Windows Desktop, published September 8, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.64%, the 50th percentile. No source names a fixed version.