CVE-2026-50497: Off-by-one error in Windows Remote Desktop Protocol allows an unauthorized attacker to disclose information over a network.

mediumCVSS 6.5CVE-2026-50497

Off-by-one error in Windows Remote Desktop Protocol allows an unauthorized attacker to disclose information over a network.

Details

Source: NVD Recent CVEs (US · database · site)
Severity: medium — CVSS 6.5
Published: 2026-07-14
Last updated: 2026-07-16
Exploitation: Not in CISA KEV at last sync

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-50497

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-504970.87% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 55% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-50497	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

unknownexploitedNCSC-2026-0231 [1.00] [M/H] Vulnerabilities fixed in Microsoft Windowsncsc-nl
mediumCVE-2026-50497: Windows Remote Desktop Protocol (RDP) Information Disclosure Vulnerabilitymsrc

Recent advisories for Off-by-one error in

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

highCVE-2026-14899: The code to parse MIME headers for display when forwarding a message (if the setting to view a…nvd · 2026-07-22
mediumCVE-2026-16473: A flaw was found in the sbc library (BlueZ SBC codec). An off-by-one error in the SBC frame de…nvd · 2026-07-22
lowCVE-2026-44687: Off-by-one error in 'harden-below-nxdomain' logic can shadow a stub/forward zone by a legitima…msrc · 2026-07-14
mediumCVE-2026-14612: Two off-by-one errors in the FreeIPA ipa-otpd daemon's OAuth2 device authorization handler can…nvd · 2026-07-03
lowCVE-2026-44042: UltraVNC repeater through 1.8.2.2 contains an off-by-one error in the Base64 decode helper use…nvd · 2026-07-01
lowCVE-2026-56361: ImageMagick before 7.1.2-19 contains an off-by-one error in morphology validation allowing out…nvd · 2026-06-30