CVE-2026-87772 — Unauthenticated Polkit Privilege Escalation in TÜBİTAK BİLGEM's Pardus About

Exploitation evidence

Not listed in the latest downloaded CISA KEV catalog. This does not establish an absence of exploitation.

KEV checked 13 Nov 2026, 00:20 Jerusalem · Original catalog ↗

Reported products and versions

TÜBİTAK BİLGEM Software Technologies Research Institute / Pardus About

Default status: unaffected

affected: 0 to < 1.2.5 (semver)

Fixes and workarounds

No explicit solution text in the downloaded CVE record. Consult the vendor advisory; unaffected version ranges are shown above as reported, not inferred as a patch recommendation.

Sources and related reporting

CVE Program record ↗ · Download tracked evidence as JSON

https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1521

Monitored source mentions

CVE Feed — CVE-2026-87772 - Unauthenticated Polkit Privilege Escalation in TÜBİTAK BİLGEM's Pardus About ↗

Shared CVE identifiers link source mentions; they do not establish that the reports describe the same incident.

Observed change timeline

History begins when Egret first downloads each source. It is not the complete upstream CVE history.

12 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-12",
  "epss": 0.00098,
  "percentile": 0.00776
}

12 Nov 2026, 12:20 Jerusalem · CVE Program record changed

Stored CNA snapshot at this observation.

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Pardus About",
          "vendor": "TÜBİTAK BİLGEM Software Technologies Research Institute",
          "versions": [
            {
              "lessThan": "1.2.5",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Sevban DÖNMEZ"
        }
      ],
      "datePublic": "2026-11-12T06:32:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Incorrect Authorization vulnerability in TÜBİTAK BİLGEM Software Technologies Research Institute Pardus About allows Privilege Escalation.<p>This issue affects Pardus About: before 1.2.5.</p>"
            }
          ],
          "value": "Incorrect Authorization vulnerability in TÜBİTAK BİLGEM Software Technologies Research Institute Pardus About allows Privilege Escalation.\n\nThis issue affects Pardus About: before 1.2.5."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-233",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-233 Privilege Escalation"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-863",
              "description": "CWE-863 Incorrect Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-11-12T06:35:54.306Z",
        "orgId": "ca940d4e-fea4-4aa2-9a58-591a58b1ce21",
        "shortName": "TR-CERT"
      },
      "references": [
        {
          "tags": [
            "government-resource"
          ],
          "url": "https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1521"
        }
      ],
      "source": {
        "advisory": "TR-26-1521",
        "defect": [
          "TR-26-1521"
        ],
        "discovery": "UNKNOWN"
      },
      "title": "Unauthenticated Polkit Privilege Escalation in TÜBİTAK BİLGEM's Pardus About",
      "x_generator": {
        "engine": "Vulnogram 1.0.5"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ca940d4e-fea4-4aa2-9a58-591a58b1ce21",
    "assignerShortName": "TR-CERT",
    "cveId": "CVE-2026-87772",
    "datePublished": "2026-11-12T06:35:54.306Z",
    "dateReserved": "2026-09-09T08:22:44.834Z",
    "dateUpdated": "2026-11-12T06:35:54.306Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}