CVE-2026-85877CWE-122

CVE-2026-85877

High · published September 8, 2026

CVSS v3.1
8.8
EPSS
1%
Percentile
56.8
In the wild
Unconfirmed
What it is

Heap-based buffer overflow in Windows Print Spooler Components allows an unauthorized attacker to execute code over a network.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00819 · 56.8th percentile
Weakness
CWE-122 · Heap-based Buffer Overflow
Published
2026-09-08T22:21Z
Affected products (1)
ProductVersionsFixed in
microsoft/windows_11_24h2< 10.0.26100.944510.0.26100.9445
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85877 · [email protected]
EPSS history
Timeline
  • 10 SEP 03:18Z
    EPSS moved — → 0%
    epss
  • 08 SEP 17:14Z
    Windows Print Spooler Remote Code Execution Vulnerability
    cvelistv5