Use after free in Windows Server allows an authorized attacker to elevate privileges locally.
cve CVE-2026-56177 1 source, 1 claim · Watch
NVD writes:
Use after free in Windows Server allows an authorized attacker to elevate privileges locally. the claim
Use after free in Windows Server allows an authorized attacker to elevate privileges locally. the claim
What it is to other things
| affects | microsoft/windows_10_1607 NVD |
| affects | microsoft/windows_10_1809 NVD |
| affects | microsoft/windows_10_21h2 NVD |
| affects | microsoft/windows_10_22h2 NVD |
| affects | microsoft/windows_11_23h2 NVD |
| affects | microsoft/windows_11_24h2 NVD |
| affects | microsoft/windows_11_25h2 NVD |
| affects | microsoft/windows_11_26h1 NVD |
| affects | microsoft/windows_server_2016 NVD |
| affects | microsoft/windows_server_2019 NVD |
| affects | microsoft/windows_server_2022 NVD |
| affects | microsoft/windows_server_2025 NVD |
| made_by | microsoft NVD |
In words only, so not counted until a person confirms one:
| affects | microsoft/windows_10_version_1607NVD says “Microsoft · Windows 10 Version 1607” |
What each source says
| Property | Source | Said | Means here | ||||
|---|---|---|---|---|---|---|---|
| Cvss cvss | NVD | 7.8receipt
What the source handed over{
"cve": {
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{
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"x64-based Systems"
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"vendor": "Microsoft",
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{
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"product": "Windows Server 2025",
"vendor": "Microsoft",
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"value": "Use after free in Windows Server allows an authorized attacker to elevate privileges locally."
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"id": "CVE-2026-56177",
"lastModified": "2026-09-17T18:35:56.960",
"metrics": {
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} | — | ||||
| Product product | NVD | Windows 10 Version 1607receipt
What the source handed over{
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} | — | ||||
| Status status | NVD | Analyzedreceipt
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} | — | ||||
| Vendor vendor | NVD | Microsoftreceipt
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} | — |
vulnerability
| Use after free in Windows Server allows an authorized attacker to elevate privileges locally. zetlyn/cve-nvd · 2026-09-08 | cvss 7.8 product Windows 10 Version 1607 status Analyzed vendor Microsoft | source |