CVE-2026-85877: Windows Print Spooler Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows Print Spooler Components allows an unauthorized attacker to execute code over a network.
Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85877
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-85877 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
Recent advisories for Windows Print Spooler
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- highCVE-2026-85877: Heap-based buffer overflow in Windows Print Spooler Components allows an unauthorized attacker…nvd · 2026-09-08
- highCVE-2026-70564: Heap-based buffer overflow in Windows Print Spooler Components allows an authorized attacker t…nvd · 2026-09-08
- highCVE-2026-69921: Heap-based buffer overflow in Windows Print Spooler Components allows an authorized attacker t…nvd · 2026-09-08
- highCVE-2026-69838: Use after free in Windows Print Spooler Components allows an authorized attacker to elevate pr…nvd · 2026-09-08
- mediumCVE-2026-69569: Untrusted pointer dereference in Windows Print Spooler Components allows an authorized attacke…nvd · 2026-09-08
- mediumCVE-2026-69552: Generation of error message containing sensitive information in Windows Print Spooler Componen…nvd · 2026-09-08
More from Microsoft Security Response Center
- mediumCVE-2026-18924: HTTP/2 server push UAF2026-09-08
- highCVE-2026-69630: Windows Win32k Elevation of Privilege Vulnerability2026-09-08
- unknownCVE-2026-83616: xmldom: Processing Instruction Target Injection Bypasses requireWellFormed2026-09-08
- unknownCVE-2026-85062: Colord: Slow rejection of oversized malformed color strings2026-09-08
- mediumCVE-2026-80834: crypto: sun8i-ce - Remove crypto_rng interface2026-09-08