CVE-2026-628159.8CriticalCWE-416
CVE-2026-62815: Microsoft Windows 11 version 23H2 vulnerability
Microsoft · Windows 11 version 23H2
Vendor fix available · Affected: Microsoft Windows 11 version 23H2 · Exploitation: not established
ExploitationNot established
Not in CISA KEV as of catalogue 2026.11.09 (9 Nov)
- In CISA KEV: not seen
- Exploited (reported): not seen
- Scanning observed: not seen
- Proof of concept public: not seen
- Not establishedNothing in the sources we check
1.0%probability of exploitation in the next 30 days
62nd percentile
050100
Higher than 62% of scored CVEs
9.8CriticalCVSS 3.1
LowMediumHighCrit.
DescriptionNVD
Use after free in Microsoft QUIC allows an unauthorized attacker to execute code over a network.
Coverage2 articles · 2 outlets
One row per outlet, in order of first report. First in our coverage: SANS ISC, 11 Aug.
Quiet for 13 weekslast report 11 Aug2 articles2 outlets
- Tue 11 Aug, 20:11 UTC. SANS ISC, first report. Microsoft Patch Tuesday August 2026, (Tue, Aug 11th).
- Tue 11 Aug, 22:32 UTC. Dark Reading, its first report on the story. Microsoft's Patch Tuesday Deluge Continues With August Updates.
- First report
- Article
- Running total
Show as tableHide table
| Published (UTC) | Outlet | Headline |
|---|---|---|
| 11 Aug 20:11 | SANS ISC | Microsoft Patch Tuesday August 2026, (Tue, Aug 11th) |
| 11 Aug 22:32 | Dark Reading | Microsoft's Patch Tuesday Deluge Continues With August Updates |
- Microsoft's Patch Tuesday Deluge Continues With August UpdatesDark Reading · mentions it in passing
- Microsoft Patch Tuesday August 2026, (Tue, Aug 11th)SANS ISC · first in our coverage · mentions it in passing
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