CVE-2026-56165
published 2026-07-24CVE-2026-56165: Heap-based buffer overflow in Microsoft Account allows an unauthorized attacker to execute code over a network.
PriorityP262critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
0.72%
52.5th percentile
Heap-based buffer overflow in Microsoft Account allows an unauthorized attacker to execute code over a network.
Affected
1 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | microsoft_account | — | — |
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GHSA
Heap-based buffer overflow in Microsoft Account allows an unauthorized attacker to execute code over a network.
ghsa_unreviewed·2026-07-24
CVE-2026-56165 [CRITICAL] CWE-122 Heap-based buffer overflow in Microsoft Account allows an unauthorized attacker to execute code over a network.
Heap-based buffer overflow in Microsoft Account allows an unauthorized attacker to execute code over a network.
VulDB
Microsoft Account buffer overflow
vuldb·2026-07-24·CVSS 9.8
CVE-2026-56165 [CRITICAL] Microsoft Account buffer overflow
A vulnerability categorized as critical has been discovered in Microsoft Account. Impacted is an unknown function. Such manipulation leads to buffer overflow.
This vulnerability is listed as CVE-2026-56165. The attack may be performed from remote. There is no available exploit.
This product is a managed service, which means users themselves cannot handle vulnerability countermeasures.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-07-24
Published