CVE-2026-70571

EUVD-2026-100139
Stack-based buffer overflow in Microsoft Exchange Server allows an unauthorized attacker to execute code over a network.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.1 HIGH
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 59.67%
Affected Products (NVD)
VendorProductVersion
microsoftexchange_server
15.2.0.0 ≤
𝑥
< 15.2.1748.55
microsoftexchange_server
15.1.0.0 ≤
𝑥
< 15.1.2507.77
microsoftexchange_server
15.2.0.0 ≤
𝑥
< 15.2.1544.50
𝑥
= Vulnerable software versions
Vulnerability Media Exposure