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Fencer Vulns
high 8.0

CVE-2026-68880 json

Windows Win32k Elevation of Privilege Vulnerability

published 2026-09-08 2 mo ago modified 2026-10-31 8 d ago also EUVD-2026-73407

cvss
8.0
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 55%
public exploits
0
none known

Summary

Heap-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges over a network.

Patch / fix

  • Microsoft Microsoft Office 365 for Mac 16.112.26090911
  • Microsoft Microsoft Office for Android 16.0.20430.20000
  • Microsoft Microsoft Office LTSC for Mac 2021 16.112.26090911
  • Microsoft Microsoft Office LTSC for Mac 2024 16.112.26090911

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 mo ago

Exploit prediction

0.77% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 8.0 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CNA 3.1 8.0 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Affected products

  • Microsoft Microsoft Office 365 for Mac
  • Microsoft Microsoft Office for Android
  • Microsoft Microsoft Office LTSC for Mac 2021
  • Microsoft Microsoft Office LTSC for Mac 2024

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.