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Windows HTTP.sys Elevation of Privilege Vulnerability

🗓️ 11 Aug 2026 14:00:00Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 52 Views

Heap-based buffer overflow in Windows HTTP.sys allows local authorized attacker to elevate privileges.

Related
Detection
ReporterTitlePublishedViews
Family
githubexploit
GithubExploit
windows-exploit
3 Oct 202611:20
–githubexploit
githubexploit
GithubExploit
Exploit for Integer Overflow or Wraparound in Microsoft
3 Sep 202610:41
–githubexploit
bdu_fstec
BDU FSTEC
HTTP.sys Privilege Escalation
12 Aug 202600:00
–bdu_fstec
circl
Circl
CVE-2026-62735
11 Aug 202619:01
–circl
cve
CVE
CVE-2026-62735
11 Aug 202617:04
–cve
cvelist
Cvelist
CVE-2026-62735 Windows HTTP.sys Elevation of Privilege Vulnerability
11 Aug 202617:04
–cvelist
euvd
EUVD
EUVD-2026-56366
11 Aug 202617:04
–euvd
mskb
Microsoft KB
August 11, 2026—Hotpatch KB5120228 (OS Build 26100.33222)
11 Aug 202614:00
–mskb
mskb
Microsoft KB
August 11, 2026—Hotpatch KB5120229 (OS Build 20348.5440)
11 Aug 202614:00
–mskb
mskb
Microsoft KB
August 11, 2026—KB5120233 (OS Build 26100.33296)
11 Aug 202614:00
–mskb
Rows per page
Vulners
Node
OR
microsoftwindows_10_21h2Range<10.0.19044.7663x86
microsoftwindows_server_2022Range<10.0.20348.5499
microsoftwindows_server_2022Range<10.0.20348.5440
microsoftwindows_server_2022Range<10.0.20348.5499
microsoftwindows_server_2022Range<10.0.20348.5440
microsoftwindows_server_2019Range<10.0.17763.9121
microsoftwindows_server_2019Range<10.0.17763.9121
microsoftwindows_10_1809Range<10.0.17763.9121x64
microsoftwindows_10_1809Range<10.0.17763.9121x86
microsoftwindows_11_23h2Range<10.0.22631.7517x64
microsoftwindows_11_23h2Range<10.0.22631.7517x64
microsoftwindows_11_25h2Range<10.0.26200.9168x64
microsoftwindows_11_25h2Range<10.0.26200.9106x64
microsoftwindows_11_25h2Range<10.0.26200.9168x64
microsoftwindows_11_25h2Range<10.0.26200.9106x64
microsoftwindows_server_2025Range<10.0.26100.33296
microsoftwindows_server_2025Range<10.0.26100.33222
microsoftwindows_10_22h2Range<10.0.19045.7663x86
microsoftwindows_10_22h2Range<10.0.19045.7663x64
microsoftwindows_10_22h2Range<10.0.19045.7663x64
microsoftwindows_10_21h2Range<10.0.19044.7663x64
microsoftwindows_10_21h2Range<10.0.19044.7663x64
microsoftwindows_server_2012_r2Range<6.3.9600.23338x64
microsoftwindows_server_2012_r2Range<6.3.9600.23338x64
microsoftwindows_server_2012Range<6.2.9200.26280x64
microsoftwindows_server_2012Range<6.2.9200.26280x64
microsoftwindows_server_2016Range<10.0.14393.9418
microsoftwindows_server_2016Range<10.0.14393.9418
microsoftwindows_10_1607Range<10.0.14393.9418x64
microsoftwindows_10_1607Range<10.0.14393.9418x86
microsoftwindows_11_26h1Range<10.0.28000.2704x64
microsoftwindows_11_26h1Range<10.0.28000.2704x64
microsoftwindows_server_2025Range<10.0.26100.33296
microsoftwindows_server_2025Range<10.0.26100.33222
microsoftwindows_11_24h2Range<10.0.26100.9168x64
microsoftwindows_11_24h2Range<10.0.26100.9106x64
microsoftwindows_11_24h2Range<10.0.26100.9168x64
microsoftwindows_11_24h2Range<10.0.26100.9106x64

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11 Aug 2026 14:00Current
7.7High risk
Vulners AI Score7.7
CVSS 3.17.8
EPSS0.00333
SSVC
52