Heap-based buffer overflow in Windows HTTP.sys allows an authorized attacker to elevate privileges locally.
Metrics
Affected Vendors & Products
References
History
Thu, 13 Aug 2026 18:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Microsoft windows 11 23h2
Microsoft windows 11 24h2 Microsoft windows 11 25h2 Microsoft windows 11 26h1 |
|
| CPEs | cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:* |
|
| Vendors & Products |
Microsoft windows 11 23h2
Microsoft windows 11 24h2 Microsoft windows 11 25h2 Microsoft windows 11 26h1 |
Tue, 11 Aug 2026 19:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Tue, 11 Aug 2026 17:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Heap-based buffer overflow in Windows HTTP.sys allows an authorized attacker to elevate privileges locally. | |
| Title | Windows HTTP.sys Elevation of Privilege Vulnerability | |
| First Time appeared |
Microsoft
Microsoft windows 11 23h2 Microsoft windows 11 24h2 Microsoft windows 11 25h2 Microsoft windows 11 26h1 Microsoft windows Server 2022 Microsoft windows Server 2025 |
|
| Weaknesses | CWE-122 | |
| CPEs | cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_11_24H2:*:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_11_25H2:*:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_11_26H1:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* |
|
| Vendors & Products |
Microsoft
Microsoft windows 11 23h2 Microsoft windows 11 24h2 Microsoft windows 11 25h2 Microsoft windows 11 26h1 Microsoft windows Server 2022 Microsoft windows Server 2025 |
|
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: microsoft
Published:
Updated: 2026-08-13T17:36:49.865Z
Reserved: 2026-07-14T21:08:07.966Z
Link: CVE-2026-62811
Updated: 2026-08-11T18:27:09.813Z
Status : Analyzed
Published: 2026-08-11T17:18:34.880
Modified: 2026-08-13T17:46:32.430
Link: CVE-2026-62811
No data.
OpenCVE Enrichment
Updated: 2026-08-12T14:15:03Z